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😷 | New Corona Okayama City 127 people infected

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New Corona Okayama City 127 people infected

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Okayama City announced on the 22th that 127 people were infected with the new coronavirus.

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 Sanyo Shimbun Digital

Sanyo Shimbun Digital is a Sanyo Shimbun news site. We will deliver the news and sports news from each area in Okayama prefecture and overseas.

Wikipedia related words

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New coronavirus

New coronavirus(Shingata coronavirus,English: Novel coronavirus, nCoV) IsCoronavirus familyOrthocoronavirus subfamilyBelongs toウ イ ル スOf these, it is a tentative name given to those that are medically and publicly important.[1][2][3][4].

In particularHuman coronavirusIt is often used in. (Human) Coronavirus against humanityEndemic diseaseIs believed to becoldCauses (common cold) -like symptoms,(English editionIs prevalent as a serious infection, often accompanied by pneumonia[1][2][3][4].

Virus type

The following viruses were positioned as new coronaviruses before their official names were given.

Types of new coronaviruses that are pathogenic to humans
Formal nameOther namesSusceptible host[† 1]First discovery location (discovery year)Infection
SARS coronavirus 2 (SARS-CoV-2)[† 2][5][6]2019-Ncov

SARS virus 2

Human coronavirus 2019 (HCoV-19)

Bat,Scale armorChugoku-Wuhan(2019)New Coronavirus Infection (2019) (COVID-19)[† 3][4][7]
MERS coronavirus (MERS-CoV)[† 4]Middle east virus

MERS virus

Camel flu virus

camel,BatSaudi Arabia-Jeddah(2012)Middle East respiratory syndrome (MERS)[8][9].
Human coronavirus HKU1 (HCoV-HKU1)New Haven Virus[Annotation 1]A mouseHong Kong (2005)Mild respiratory tract infection, rarely severe pneumonia
SARS coronavirus (SARS-CoV, SARS-CoV-1)[† 2]SARS virusChinese cabbage,BatChugoku-Foshan(2002)Severe acute respiratory syndrome (SARS)[9]
  1. ^ (English editionMay not be succeeded.
  2. ^ a b This virus is not a different speciesSARS-related coronavirusIs considered to be one of the stocks of.
  3. ^ Synonyms include 2019 coronavirus pneumonia,Wuhan pneumoniaThere is a syndrome.
  4. ^ (English edition,(English editionIncluding stocks of.

All of the above four viruses belong to the genus Betacoronavirus (betacoronavirus) Belongs to.


Known for the "new" of the new coronavirusViral family classificationBelongs toIt means a new pathogen.That is, the new coronavirusCoronavirus familyIt means a new pathogen belonging to (or its subclass).There is no intention of a completely unknown new pathogen. The use of the word "new XX" was introduced in 2015WHOConforms to the new infectious disease naming scheme decided by[10][11][12].

Historically, pathogens have often been named after location, individuals, or specific species, but these practices are not currently endorsed by WHO.[10][11][12].

The permanent official names of viruses and diseases are, respectively.ICTVWHO OfInternational Classification of Diseases (ICD)Is determined by.

Detailed explanation


[How to use footnotes]

注 釈

  1. ^ Human coronavirus NL63 Some strains of (HCoV-NL63)New Haven Coronavirus Be careful not to confuse it because it is called (HCoV-NH).
  2. ^ Example of use of the name "new coronavirus" for SARS coronavirus by the media[15][16][17][18].
  3. ^ Example of use of the name "new coronavirus" for MERS coronavirus by the media[20][21][22][23][24][25][26][27][28].


  1. ^ a b Murray and Nadel (2010). Chapter 31.
  2. ^ a b Cunha (2010). Pp. 6–18.
  3. ^ a b Melmed (2011). P. 636
  4. ^ a b c "The 2019–2020 Novel Coronavirus (Severe Acute Respiratory Syndrome Coronavirus 2) Pandemic: A Joint American College of Academic International Medicine-World Academic Council of Emergency Medicine Multidisciplinary COVID-19 Working Group Consensus Paper". ResearchGate. October 2020th, 5Browse.
  5. ^ "The 2019–2020 Novel Coronavirus (Severe Acute Respiratory Syndrome Coronavirus 2) Pandemic: A Joint American College of Academic International Medicine-World Academic Council of Emergency Medicine Multidisciplinary COVID-19 Working Group Consensus Paper". ResearchGate. October 2020th, 5Browse.
  6. ^ “Coronavirus disease named Covid-19”. BBC News. https://www.bbc.com/news/world-asia-china-51466362 .
  7. ^ According to ICD-10 the disease is referred to as "2019-new coronavirus acute respiratory disease [temporary name]". It is not listed in ICD-11.
  8. ^ a b Synonyms include 2019 coronavirus pneumonia and Wuhan respiratory syndrome
  9. ^ a b "What is the new coronavirus?”. Joetsu Community Medical Center Hospital. October 2021th, 5Browse.
  10. ^ a b Ghosh R, Das S. A Brief Review of the Novel Coronavirus (2019-Ncov) Outbreak. Global Journal for Research Analysis. 2020; 9 (2).
  11. ^ a b World Health Organization Best Practices for the Naming of New Human Infectious Diseases. World Health Organization. May 2015.
  12. ^ a b Budhwani, Henna; Sun, Ruoyan (2020). “Creating COVID-19 Stigma by Referencing the Novel Coronavirus as the“ Chinese virus ”on Twitter: Quantitative Analysis of Social Media Data” (English). Journal of Medical Internet Research 22 (5): e19301. two:10.2196/19301. https://www.jmir.org/2020/5/e19301/. 
  13. ^ Host jump capability may not persist
  14. ^ "Eiken News" No.128,YamagataInstitute of Health, published June 2003, 6, page 10.
  15. ^ "SARS virus detected in less than an hour Eiken Chemical Nagasaki University and reagent development" "Nikkei Sangyo Shimbun』June 2003, 6, p. 20. "Causes SARSNew coronavirusWhen a reagent that can identify the gene of the patient is reacted with a sample such as patient's blood (hereinafter omitted) "
  16. ^ "Editorial SARS Eradication of Research" "Nihon Keizai Shimbun』June 2003, 6 morning edition, page 29. "To avoid these secondary SARS epidemics in advance and eradicate SARS itself,New coronavirusIdentification of the source of (Omitted below) "
  17. ^ "Memories of Eighteen 1996-2014 Domestic and Foreign News" "Asahi Shimbun』February 2015, 2 morning edition, page 12 (Nagoya Head OfficeEdition). In the topics of 2003, "This year,New coronavirusSevere Acute Respiratory Syndrome (SARS) is prevalent all over the world. "
  18. ^ "Toward the development of a new pneumonia virus treatment method, with the completion of genome decoding" "Yomiuri Shimbun』Osaka morning edition dated June 2003, 6, p. 4. "The new type of pneumonia (Severe Acute Respiratory Syndrome = SARS), which is rampant mainly in mainland China and Taiwan, is the pathogen SARS virus (SARS).New coronavirus) Genome (all genetic information) has been decoded, (hereinafter omitted) "
  19. ^ a b Tetsuya Mizutani, ``New species of coronavirus"Virus" Vol. 63, No. 1, p.1-6, 2013, Japanese Society of Virology, two:10.2222 / jsv.63.1.
  20. ^ Concerns about the spread of new coronavirus infections in France increase (13/05/11) - YouTube(ANN News
  21. ^ Severe Acute Respiratory Syndrome, Saudi Arabian Healthcare Worker Infection,Nihon Keizai Shimbun, August 2013, 5.
  22. ^ 31 people infected with new coronavirus in Saudi Arabia 40 people infected worldwide 20 people died,AFPBB News, August 2013, 5.
  23. ^ "New Coronavirus'MERS'WHO Beware of Pandemic Spreading in Europe" Nihon Keizai Shimbun, May 2013, 5, morning edition, page 29. The expression "new coronavirus" is only a heading, and in the text, it is written as "new virus" and "Middle East respiratory syndrome (MERS) coronavirus".
  24. ^ "Cold virus companion, MERS, the world is wary ── Prevention is hand washing and mask (Genki Navi)" Nihon Keizai Shimbun, June 2013, 6, evening edition, page 28.In the text "New coronavirusThe expression "Middle East Respiratory Syndrome (MERS)" can be seen.
  25. ^ "Strengthening vigilance for'new corona', 6 countries infected, 20 dead, 2nd place in Saudi, both onset", Yomiuri Shimbun, May 2013, 5, evening edition, page 16. "The World Health Organization (WHO) announced on the 1thNew coronavirusRegarding (the following is omitted). "
  26. ^ "Caution for the new coronavirus" SARS's return "", Yomiuri Shimbun, morning edition, May 2013, 5, p. 22. "New coronavirusInfection is widespread in the Middle East and Europe. (Omitted below) "
  27. ^ "Strengthening inspection of new corona" Ministry of Health, Labor and Welfare, "Infection in the world", Yomiuri Shimbun, May 2014, 5, evening edition, page 26. "Infection spreads mainly in the Middle EastNew coronavirusThe number of patients with "MERS coronavirus" is (abbreviated below).
  28. ^ "Coronavirus epidemic in the Middle East, be wary in Japan," Yomiuri Shimbun, June 2014, 6, morning edition, p. 26. "Infection spreads mainly in the Middle EastNew coronavirusReport of patients with "MERS coronavirus" (abbreviated below) "
  29. ^ Middle East Respiratory Syndrome Coronavirus (MERS-CoV); Announcement of the Coronavirus Study Group Journal of Virology, Published ahead of print 15 May 2013, doi: 10.1128 / JVI.01244-13
  30. ^ Naming of the Novel Coronavirus WHO, 28 May 2013
  31. ^ Angle: The endless MERS, why no vaccine, Reuters, June 2015, 6.
  32. ^ "Not applicable to emergencies, Korean MERS" Travel restrictions are not required "WHO", Nihon Keizai Shimbun, June 2015, 6, morning edition, page 18. "MERS was confirmed in 6New coronavirusIs a respiratory illness caused by (abbreviated below). "
  33. ^ "I want to know now! Prevention and treatment of infectious diseases Hirosaki University planning series (46) Lessons from the MERS uproar" "Asahi Shimbun』January 2018, 1 morning edition (Aomori prefecture version), page 26.

Related item

Okayama City

Okayama City(Okayamashi) isOkayamaLocated in the southeast ofCity.. OkayamaPrefectural office locationAndGovernment-designated cityIs.Largest in Chugoku and ShikokuUrban employment areaIt is also a city with.


NationwideMomotaroWith the legend ofKibi dumpling,Saidaiji Kaiyo(Naked Festival) Is famous. warmishSetouchiNurtured by the climate ofMuscat of Alexandria,Shine Muscat,New Pione, Momotaro grapes,white peach,Atago Pear(Atago pear),DuckIt is also a famous city for producing high-grade fruits such as (Yarley). In the centerOkayama Castle,Three famous gardens in Japanone ofKorakuenIt has.Okayama DomainMr. Ikeda Ofcastle townFlourished asEdo PeriodSince then, the center lined with skyscrapers, which has developed as the central city of the region, and the quiet countryside and mountainous areas spread out.SuburbHave a department.

Also, it has a long history as a school capital, and it was from the Meiji period to the Showa period before the war.Old Sixth High School(The only number school in the Chugoku-Shikoku region)Former system Okayama Medical University(The first installation in the Chugoku / Shikoku regionUniversity), Former Okayama Agricultural College, Okayama Agricultural Research Institute,Former Okayama Normal School,Former Seisei Women's CollegeEtc. were opened. Even now, there are many universities and vocational schools in the center of the city, further strengthening the character of the academic capital.

As a cross point of Chushikoku,1980 eraOr later,Seto Ohashi BridgeOpeningJRLine ofShikokuDirect communication withSanyo ExpresswayTransportation, etc.InfrastructureHas been rapidly developed,Okayama metropolitan areaAroundMetropolitan areaWithEast Seto Economic AreaHas grown as.

2005 Since (17), the population has exceeded 4 due to the merger with the surrounding 70 towns.2009 (21)May 4ToGovernment-designated cityThe four administrative districts of north, middle, east and south were established.


Wide skirt

 Northern end
North Latitude 34 Degrees 56 Minutes 57 Seconds East longitude 133 degree 54 min 20 sec /34.94917 degrees north latitude 133.90556 degrees east longitude / 34.94917; 133.90556 (Okayama city's northernmost tip)
West end
North Latitude 34 Degrees 46 Minutes 8 Seconds East longitude 133 degree 44 min 23 sec /34.76889 degrees north latitude 133.73972 degrees east longitude / 34.76889; 133.73972 (Westmost part of Okayama city)
Center point
North Latitude 34 Degrees 44 Minutes 2 Seconds East longitude 133 degree 55 min 52.5 sec /34.73389 degrees north latitude 133.931250 degrees east longitude / 34.73389; 133.931250 (Okayama city center)
Eastern end
North Latitude 34 Degrees 45 Minutes 8 Seconds East longitude 134 degree 7 min 22 sec /34.75222 degrees north latitude 134.12278 degrees east longitude / 34.75222; 134.12278 (Okayama city's easternmost point)
Center of gravity
North Latitude 34 Degrees 39 Minutes 27.82 Seconds East longitude 133 degree 55 min 48.81 sec /34.6577278 degrees north latitude 133.9302250 degrees east longitude / 34.6577278; 133.9302250 (Okayama city center of gravity)

Southern tip
North Latitude 34 Degrees 31 Minutes 7 Seconds East longitude 133 degree 51 min 59 sec /34.51861 degrees north latitude 133.86639 degrees east longitude / 34.51861; 133.86639 (Okayama city's southernmost tip)


The northern part of the city is followed by gentle hillsKibi plateauIt is a corner of the city and is a citizen's water turtle.Asahikawa Dam,Okayama Airport, And a suburban residential area. Pouring into the Seto Inland SeaAsahikawaYoshii River, ThreeFirst-class riverOf the southern part formed by the transport and sedimentation ofOkayama PlainThe city center is located in, and the southern part of the plain is from the Edo periodReclamationIt is a land and agricultural land spreads, forming a granary. To the southKojima BayA scenic view across the Seto Inland SeaKojima PeninsulaForm a hilly area.


Main mountain
  • Takakurayama (548m)
  • Kanayama (499.5m)
  • Motomiya Takakurayama (458m)
  • KinkozanNUMXm
  • Mt. Ryunoguchi (257m)
  • Mt. Musashi (233m, also known as Bizen Fuji)
  • Misao (169m)


Main river
  • First-class river
    • Asahikawa: The central part of the city flows from north to south and flows into Kojima Bay.
    • Yoshii River: Flows from the north to the south in the Saidaiji district in the eastern part of the city and pours into Kojima Bay.


Main lake
  • Kojima Lake : 1962 (Showa(37) An artificial lake for agricultural irrigation constructed by closing the Kojima Bay with a bank.
  • Lake Asahikawa: Occupies the northern part of the cityTakebe TownIt is inAsahikawa DamDam lake at (Asahikawa No. 1 dam). It forms part of the middle-class of Asahikawa.Misaki Town,Kibichuo-choSaid in the lake.
  • Swan Lake: Dam lake of Asahikawa Dam (Asahikawa No. 2 dam) in Takebe Town, which occupies the northern part of the city. It forms part of the middle-class of Asahikawa. It is in contact with Kibichuo-cho in the lake.


Main island


NorthChugoku Mountains, SouthShikoku MountainsSandwiched betweenSeto Inland SeaLocated on the coast, typicalSeto Inland Sea climateare categorized. The sunshine hours are long at about 2,100 hours per year, and the annual rainfall is about 1,000 mm.(I.e.-snowIs very few nationwide.In winter, the average temperature in January is 1 ° C, which is not as warm as the Pacific coast west of Kanto and is relatively cold. In the morning and evening, it often drops below freezing, but there is no snowfall.On the other hand, the summer is extremely hot due to the influence of the Seto Inland Sea, and it often becomes a hot day, and the number of tropical nights is particularly large among cities of the same size.1989 (Showa 64/HeiseiSince the first year), the number of precipitation days with precipitation of 1 mm or more has been nationwide.Prefectural office locationThe smallest catchphrase in Okayama prefecture"Sunny country Okayama"Derives from this[1].

The Okayama Local Meteorological Observatory is one of the government offices in urban areas.1961 (36) 1990 (2) Although the temperature rise is relatively slow compared to the normal value,1982 (57) Before the move on October 10, the dew field was in Tsushimakuwanoki, Kita-ku, near Okayama University, and from the same year2015 It was colder than the Kuwada-cho, Kita-ku, which was a dew field until (27), because it was less affected by the heat island.[2][3]..The dew field will be on March 2015, 27, in Tsushima, Kita-ku, Okayama City, near the former observation site, for the first time in 3 years.transferWas done[4].

  • Maximum temperature minimum Tsushima mulberry tree installation: -2.3 ℃ (1981 (February 56, 2), after moving to Kuwadacho: 26 ℃ (1984 (Showa 59) October 2)
  • 最低気温の最低 津島桑の木設置時 : -9.1℃(1981年(昭和56年)2月27日)、桑田町移転後 : -5.0℃(1984年(昭和59年)2月8日)

Central Okayama City (estimated) January average temperature 1 ℃ August average temperature 6.1 ℃ Annual average temperature 8 ℃ Annual precipitation Approximately 29.1 mm Annual sunshine duration Approximately 17.1 hours

Hiyoji's climate

2003 Since (15), observations have also been made at a location near Okayama Airport in Kita Ward (observation place name: Nichioji).Compared to the Okayama Local Meteorological Observatory, the impact of urbanization is small, and because it is located inland, the temperature is about 2 ° C lower in both summer and winter.Winters are cold and there are almost no tropical nights in summer.The lowest temperature ever was -2003 ℃ on January 15, 1.[5].

Climate of Okayama Local Meteorological Observatory (Tshimanaka, Kita-ku, Okayama City, altitude 5m)
Highest temperature record ° C (° F18.8
Average maximum temperature ° C (° F9.6
Average daily temperature ° C (° F4.6
Average minimum temperature ° C (° F0.1
Minimum temperature record ° C (° F−8.9
Precipitation amount mm (inch)36.2
Snowfall cm (inch)0
Average days of precipitation (≥0.5 mm)
Average number of snowfall days8.
Average monthlyDaylight hours149.0145.4177.8192.6205.9153.5169.8203.2157.5171.5153.7153.82,033.7
Source:Japanese Meteorological Agency (Average value: 1991-2020, extreme value: 1891-present)[6][7]
Okayama (Okayama Local Meteorological Observatory) 1961 (Showa 36) -1990 (Heisei 2) Average climate
Average maximum temperature ° C (° F8.7
Average daily temperature ° C (° F6.0
Average minimum temperature ° C (° F1.5
Source: Science Chronology


Administrative district

The following four administrative districts have been established in Okayama City, and the number of administrative districts is the third smallest among the 4 ordinance-designated cities (minimum isShizuokaShizuoka CityKanagawaSagamihara City3 wards).

populationAre all estimated populations as of January 2021, 9

CodesWard namepopulation
The population density
33101 5Kita313,910450.70696
33102 3Naka-ku149,45151.242,917
33103 1Higashi Ward92,336160.53575
33104 0South ward167,074127.481,311
  • North Ward: City Center and Northwest
  • Naka Ward: Approximately east of Asahikawa and west of Hyakken River
  • Higashi Ward: Eastern part of the city (Saidaijikami, Kamido, Seto district)
  • Minami Ward: Southwestern part of the city (Yoshida, Kojo, Okanan, Senoo, Nadasaki, Fujita district)


"Machicho, large size" section or "boundary" of page of each ward andOkayama city listThereference.

Former merger special ward

"Great Heisei mergerThe Mitsu / Nadasaki area that was incorporated in2010 (22) Until March 3, Takebe / Seto area2012 (24) By January 1stSpecial merger wardWas provided.

  • Mitsu Merger Special Zone: FormerMitsuTown area (now Otsu, Kita-ku, Okayama City).
  • Nadasaki Town Merger Special Zone: FormerNadasakiTown area (currently part of Minami-ku, Okayama City. Of "Nadasaki"Place nameThe notation does not survive).
  • Takebe Town Merger Special Zone: FormerTakebeTown area (currently Tatebe Town, Kita Ward, Okayama City).
  • Seto Town Merger Special Zone: FormerSeto TownArea (currently Seto-cho, Higashi-ku, Okayama City).

Regional relations

Relationship between Okayama and Kurashiki

HistoricallyKurashikiRelationship withEdo PeriodThe outsideOkayama DomainAnd of the territoryKurashikiAlthough it was related to Kurashiki city after the high growth periodMizushima ComplexAnd the expansion of the metropolitan area of ​​Okayama CityNational Route 2Okayama bypassInfrastructure development has progressed, such as the construction of high-frequency diamonds on the Sanyo Main Line, and now it is rapidly being integrated as a daily living area that goes back and forth for shopping and work.Kurashiki is the city of OkayamaEmployment areaMore than 150 million peopleOkayama metropolitan areaIt is a corner.

Relationship between Okayama and Takamatsu (Kagawa Prefecture)

KagawaTakamatsuAndUtaka ferryMutual exchanges have been active since the time of (departure and arrival in Tamano City).Also, commercial TVThe areas of Okayama and Kagawa are the sameTherefore, it is easy to get information about each other's areas.1988 (Showa 63)Seto Ohashi BridgeSince the opening ofMarine linerBy Okayama stationTakamatsu StationSince they were tied together in less than an hour, mutual exchange is becoming more dense.

2009 (21)May 7A meeting was held between the mayors of Okayama and Takamatsu, and both cities will work on joint tourism PR, disseminate information using cable TV websites, and provide water from Okayama to Takamatsu during droughts. An agreement was reached on building an emergency cooperation system, etc.[8].

Status in Chushikoku region

Okayama stationからSeto Ohashi LineShikokuIt is directly connected to, and in addition to the express trains for all prefectural capitals in Shikoku,YakumoIn the Sanin main area (Yonago/Matsue/Izumo City) and the limited express supermarket via the Chizu LineInabaTottori CityOkayama Station is a terminal station that connects Honshu and Shikoku.

The Sanyo Expressway runs from east to west on the highway.Okayama JCTOkayama ExpresswayIt is connected to the northern part of the prefecture and the Sanin area.In addition, adjacentKurashiki JCTThen.Seto Chuo ExpresswayIt is connected to the Shikoku area and exits from the Sea of ​​Japan to the Pacific Ocean.Transportation hubIt has become.

ChugokuorChushikoku regionIn Okayama City, which is a transportation hub, is positioned as a logistics hub city, and there are cases where some food and distribution companies set up bases in the Chugoku and Shikoku regions in Okayama City.


The estimated population of the city is2021 (Reiwa3 years)NowWith over 71 people nationwideCity18th most common(In all 20 ordinance-designated cities,ShizuokaShizuoka CityNext to few). 2015 (Heisei 27) census final value[9] The number is 719,474.

In terms of population growth2010 (22) Census- 2015 (27) According to the national census (excluding the 20 wards of Tokyo), it ranks 8th out of 1.40 ordinance-designated cities (up XNUMX%), and is currently on a slight increase.

Okayama City and Population Distribution by Age in Japan (2005)Okayama City Population Distribution by Age and Gender (2005)
Purple-Okayama City
Green-All over Japan

Changes in population of Okayama city (corresponding area)
Ministry of Internal Affairs and CommunicationsStatistics Bureau CensusThan

Adjacent municipalities

Okayama prefecture flagOkayama
Kagawa prefecture flagKagawa(Adjacent at sea)


From ancient times to the Ritsuryo era

Ancient OkayamaKibi countryIs a corner ofYayoi PeriodKofun periodIsChikushi-Izumo-Yamato-KenoAlongsideJapanese archipelagoIt prospered as a government representing Japan and contributed to the unification and reign of the archipelago in association with Yamato.

However, Yamato, who is not happy about the rise of Kibi, reduced his power,Bizen country-China-Bingo country-Beautiful landSince then, until now, the political unification of the former Kibikuni, which has strong economic and cultural links, has not been achieved. After the Kibi country was split,KokufuIs believed to have been placed in the current Okayama city area.

From the Warring States Period to the Tensho Period

Around OkayamaMuromachi PeriodUp to rural areas,16st centuryToMr. KanemitsuHad built a small castle as a base.Sengoku periodNoticed the convenient transportation and area of ​​OkayamaNaoki Ukita The1570 (Former turtleFirst year)Kinko MunetakaHarassed him as suspected of rebellion,Okayama CastleTook away. After that, the castle was expanded on a large scale,Sanyo roadTo Okayama,Bizen countryInviting domestic and foreign merchants,1573 (TenshoFirst year) to move to the base. The promotion of the castle town and Okayama started by NaoieHideyaOkayama became the political and economic center of Bizen nation mainly after that.

Edo Period

The Ukita Hide familyBattle of SekigaharaIf you fall down with1601 (Keicho6 years)Hideaki KobayakawaEntered Okayama Castle. Hideaki is next1602 He died in (7th year of Keicho) and the Kobayakawa family was cut off.1603 In (8th year of Keicho)Tadatsugu IkedaEntered, and thereafterEdo PeriodThrough OkayamaMr. Ikeda Ofcastle townIt became.

Okayama as a castle town continued to develop, and the fourth generation of Mr. IkedaRopeIs the1707 (HoeiIn 4 years, the population of the town was 3 (total population including the samurai and shrines is estimated at 0635-4), reaching a castle town with one of the ten most economical powers in the country.KorakuenIt was at this time that was created. However, the population of Machikata isKyohoGradually decreased from the1858 (AnseiIn 5 years) there will be 2. This is in contrast to the development of rural commerce by the new rice field development of the Okayama clan, and it seems that the clan authorities adopted a policy to curb the inflow of population from rural areas to cities.

From Meiji Restoration to World War II

Meiji 4May 7(1871 May 8)ofAbandoned DomainOkayamaOkayamaBecame the prefectural capital.

1878 (Meiji11 years)May 9ToCounty, town and village organization lawWas enforced in Okayama Prefecture, and Okayama Ward, the predecessor of Okayama City, was established.The law has different enforcement dates depending on the prefecture, and since Okayama Prefecture was the first to enforce the law, Gangshan District is the first in the country.AreaIt became.

1889 (22th year of Meiji)May 6ToMunicipal systemWas enforced, and Okayama Ward moved to Okayama City.While it was the first ward under the county, ward, town and village organization law, it was enforced two months later than the first 31 cities under the city system.Area 2km at the time of the city system enforcement2, With a population of 4.1920 (TaishoIn 9 years, the population was 9.

1930 (Showa5 years),Okayama City SongEstablished (first generation).

World War IITerminal1945 (20)May 6ToOkayama air raidMore than 1000 people were killed and more than 10 lost their homes.

After World War II

After the turbulent period, the city developed steadily, and with the surrounding municipalitiesmergerAdvanced.1960 (Showa 35)KurashikiThe governor of Okayama Prefecture proposed the concept of the prefecture's southern metropolitan area, which included, but was withdrawn due to the disturbance caused by the disappearance of Mayor Kurashiki.

1958 (Showa 33) March,Okayama folk song(Second generation) established.

1972 (47)May 3ToSanyo ShinkansenOkayama stationOpened,1988 (63)May 3ToSeto Ohashi LineSince its opening, it has been a key point of railway transportation ever since.

1996 (Heisei8 years) from the countryCore citySpecified in. After that2005 (17)May 3, AdjacentMitsu-gunMitsu Town-KojimaNadasaki TownOf the two towns of2007 (19)May 1, AdjacentMitsu-gunTakebe Town-Akaban-gunSeto Town2 towns have been incorporated.

2007May 6In the evening, the city's population exceeded 70.

2009 (21)May 4ToNiigata-Hamamatsu city(Movement in April 2007) 4th in Japan,Chugoku / Shikoku regionThen.HiroshimaHiroshima citySecond only toGovernment-designated cityMoved toKita-Naka-ku-Higashi Ward-South ward OfAdministrative districtWas installed.

2012 (24)May 6On this day, which is the 123rd year of the municipal system,Okayama Citizen's DayWas enacted. mainlyOkayama Chamber of CommerceThe youth group played a central role in promoting Okayama City in order to further deepen the local love of citizens following the transition to a government-designated city.




Incumbent mayor
  • Shojiro Sasaki
  • Masami Nasu

2012 (24) Deputy Mayor until March (3)2007 Before March (19), there were two assistants), but from April 3, it became a one-person system on a trial basis.[10].. After that, from August 8 of the same year, it became a two-person system again.[11].

Successive mayors
Successive generationsNameTerm of office
1Hanafusa1889 (Meiji22) September 9-17 (Meiji 1890) October 23
2Shinjo Atsunobu1890 (Meiji 23) October 10-30 May 1894 (Meiji 27)
3Yasumasa Oda (1st term)1894 (Meiji 27) October 7-4 May 1900 (Meiji 33)
4Yasumasa Oda (2st term)1900 (Meiji 33) October 8-8 May 1902 (Meiji 35)
5Pan Okada (1st term)1902 (Meiji 35) October 7-25 May 1908 (Meiji 41)
6Pan Okada (2st term)1908 (Meiji 41) July 7-28 (Taisho 1914) July 3
7Pan Okada (3st term)1914 (Taisho3 years) August 8-3 (Taisho 1918) August 7
8Hiroshi Nakayama1918 October 7 (Taisho 10)-October 19 (Taisho 1922) October 11
9Kubotani Itojiro (1st term)1923 (Taisho 12) May 5-May 10 (Showa 1927) May 2
10Kubotani Itojiro (2nd term)1927 (Showa2 years May 5-August 10 (Showa 1928) August 3
11Moriya Matsunosuke (1st term)1929 February 4 (Showa 2)-December 25 1932 (Showa 7)
12Moriya Matsunosuke (2st term)1933 February 8 (Showa 3)-December 16 1933 (Showa 8)
13Ishihara Saburo1934 February 9 (Showa 2)-December 25 1938 (Showa 13)
14Akiho Tokimi1938 February 13 (Showa 3)-December 19 1940 (Showa 15)
15Yujiro Kunitomi1940 February 15 (Showa 9)-December 4 1944 (Showa 19)
16Hiroshi Takeuchi1944 February 19 (Showa 9)-December 4 1945 (Showa 20)
17Tomisaburo Hashimoto1945 February 20 (Showa 11)-December 22 1947 (Showa 22)
18Hiromichi Tanaka1947 February 22 (Showa 4)-December 6 1951 (Showa 26)
19Yokota Sota1951 February 26 (Showa 4)-December 23 1955 (Showa 30)
20Hisashi Tabuchi1955 February 30 (Showa 5)-December 1 1959 (Showa 34)
21Kumao Terada1959 February 34 (Showa 5)-December 1 1963 (Showa 38)
22Hirao Okazaki (1st term)1963 February 38 (Showa 5)-December 1 1967 (Showa 42)
23Hirao Okazaki (2nd term)1967 February 42 (Showa 5)-December 1 1971 (Showa 46)
24Hirao Okazaki (3nd term)1971 February 46 (Showa 5)-December 1 1975 (Showa 50)
25Hirao Okazaki (4nd term)1975 February 50 (Showa 5)-December 1 1979 (Showa 54)
26Hirao Okazaki (5nd term)1979 February 54 (Showa 5)-December 1 1983 (Showa 58)
27Matsumoto Hajime (1st term)1983 February 58 (Showa 5)-December 1 1987 (Showa 62)
28Matsumoto Hajime (2nd term)1987 62 May (Showa 5)-1 January 1991
29Keisuke Ataka (1st term)1991 (Heisei3 years) February 2-12 February 1995
30Keisuke Ataka (2nd term)1995 February 7, 2-February 10, 1999
31Seiji Hagiwara (1st term)1999 February 11, 2-February 10, 2003
32Seiji Hagiwara (2nd term)2003 February 15, 3-February 24, 2005
33Shigeo Takaya (1st term)2005 February 17, 10-February 11, 2009
34Shigeo Takaya (2nd term)2009 February 21, 10-February 11, 2013
35Masao Omori (1st term)2013 February 25, 10-February 9, 2017
36Masao Omori (2st term)2017 (29) October 10-Current position

City hall organization

Only major organizations (bureaus) are listed (as of April 2017, 29)

  • Crisis management room
  • Mayor's office
  • Policy Bureau
  • General Affairs Bureau
  • Finance Bureau
  • Citizen's Life Bureau
  • Civic Collaboration Bureau
  • Health and Welfare Bureau
  • Okayama City Public Health Center
  • Okayama kid upbringing station
  • Environment Bureau
  • Industrial Tourism Bureau
  • Urban Development Bureau
  • Sewer River Bureau
  • Accounting Office
  • Fire department
  • Waterworks
  • Market Division
  • Board of education
  • Election Management Committee
  • Human Resources Committee
  • Audit office
  • Agricultural committee
  • Parliament

Areas of jurisdiction such as ward offices and branches

  • The city is organized into 4 ward offices, 13 regional centers and 4 branches.
Okayama City HallKita-ku Oguro 1-1-XNUMXControls 4 administrative districts in the city
Kita Ward OfficeKita-ku Oguro 1-1-XNUMXOkayama City North AreaInstalled in part of the city hall
KibiRegional center416 Nase, Kita-kuOkayama City North AreaInstalled on the 1st floor of Kibi Community Center
TakamatsuRegional center247 Takamatsubara Kozai, Kita-kuOkayama City North AreaFormer Takamatsu Town Hall → Former Takamatsu Branch → Installed on the site of the former Takamatsu Fureai Plaza
IchinomiyaRegional center553-1 Ichinomiya, Kita-kuOkayama City North AreaFormer Ichinomiya Town Hall
TsudakaRegional centerNo. 1682 Kasiya, Kita-kuOkayama City North AreaFormer Tsudaka Town Hall
Ashimori area center718 Ashimori, Kita-kuOkayama City North AreaInstalled in Ashmori Community Center
Mitsubranch1020 Mitsukanagawa, Kita-kuFormer Mitsu Town AreaFormer Mitsu Town Hall
Takebebranch489 Fukuto, Takebe-cho, Kita-kuFormer Takebe Town AreaFormer Takebe Town Hall
Naka Ward Office7-15-XNUMX Hama, Naka-kuOkayama City Central AreaOldRSK MediacomInstalled on the site
Toyama Area Center115-1 Maruyama, Naka-kuOkayama City Central AreaHappiesInstalled in the Maruyama store
Higashi Ward OfficeHigashi WardSaidaiji TempleSouth 2-Chome 4-XNUMXOkayama City East AreaKaneboInstalled at the former site of Kinshi Saidaiji Factory
Upper roadRegional center466 Narahara, Higashi-kuOkayama City East AreaFormer Agarimichi Town Hall
Setobranch45 Seto, Seto-cho, Higashi-kuFormer Seto Town AreaFormer Seto Town Hall
Minami Ward Office495-5 Urayasu-Minami-cho, Minami-kuOkayama City South AreaInstalled on the eastern side of Urayasu Sports Park
(I.e.Regional center508 Fujita, Minami-kuOkayama City South AreaInstalled on the east side of Fujita Community Center
EntertainmentRegional center589-1 Nakaune, Minami-kuOkayama City South AreaInstalled on the premises of Kojo Community Center
SenooRegional centerMinohjima 1024-8, MinohOkayama City South AreaSouth fire departmentSet up next to the Senoo Branch West
(I.e.Regional center1186 Furusinden, Minami-kuOkayama City South AreaInstalled on the premises of Fukuda Community Center
Kojima area center716 Kitaura, Minami-kuOkayama City South AreaInstalled on the site of the former Koura Village Office
Fukuhama Regional Center16-22-XNUMX Fukutominaka, Minami-kuOkayama City South AreaInstalled on the premises of Fukuhama Community Center
Nadasakibranch207 Kataoka, Minami-kuFormer Nadasaki Town AreaFormer Nadasaki Town Hall → Former Nadasaki Branch → Former Minami Ward Office

Health Center/Welfare Office

Each welfare office in the city is under the direct control of the ward office.

Health center nameAddressJurisdictionRemarks
Kita Ward Central Health Center
(Okayama City Public Health Center
1-1, Shikata-cho, Kita-kuCenter of Kita Ward, Okayama CityOkayama City Health and Welfare Hall
Kita Ward Kita Health Center6-33-XNUMX Tanimanari Kita-kuNorthern part of Kita Ward, Okayama City, former Mitsu Town, Takebe Town AreaNorth contact center
Naka Ward Health Center715-2 Kuwano, Naka-kuOkayama City Central AreaOkayama Fureai Center
Higashi Ward Health Center4-5 Nakanohonmachi, Saidaiji, Higashi-kuOkayama City East Area
Minami Ward West Health CenterMinami-ku Senoo 880-1West of Minami Ward, Okayama CityWest contact center
Minami Ward South Health Center690-1, Fukuda, Minami-kuFormer Nadasaki Town Area, southern part of Minami-ku, Okayama CityInside the Minami Fureai Center
Welfare office nameAddressJurisdictionRemarks
Kita Ward CentralWelfare office1-1, Shikata-cho, Kita-kuCenter of Kita Ward, Okayama CityOkayama City Health and Welfare Hall
Kita-ku Kita Welfare Office6-33-XNUMX Tanimanari Kita-kuNorthern part of Kita Ward, Okayama City, former Mitsu Town, Takebe Town AreaNorth contact center
Naka Ward Welfare Office11-47 Akasakahonmachi, Naka-kuOkayama City Central AreaInstalled on the premises of Higashiyama Pool in Okayama City
Higashi Ward Welfare Office16-33, Nakadai XNUMX-chome, Saidaiji, Higashi-kuOkayama City East AreaInside the Saidaiji Fureai Center
Minami Ward West Welfare OfficeMinami-ku Senoo 880-1West of Minami Ward, Okayama CityWest contact center
Minami Ward South Welfare Office690-1, Fukuda, Minami-kuFormer Nadasaki Town Area, southern part of Minami-ku, Okayama CityInside the Minami Fureai Center

Merger of municipalities and ordinance-designated cities

Okayama Prefecture South Million City Construction Plan

1961 (Showa 36) was the governor of Okayama PrefectureYukiharu MikiIs the 6 largest nationwide saucers for new industrial citiescityLaunched for the formation of a big city next to (at that time)planso,Oku Town(CurrentSetouchi CityFrom)Kamokata Town(CurrentAsaguchi City), south isKojima PeninsulaIt was a large-scale merger of 33 municipalities up to and including a population of about 90 at that time (the population of the country has since reached 130 million).

With Governor MikiMinistry of Home Affairs(CurrentMinistry of Internal Affairs and Communications) Was promoted mainly by the director of the Planning Office of Mori Prefecture, and all relevant municipal councils voted for the merger (in Okayama City).1962 (37)May 12, With a majority vote of 22 to 16), Okayama CityKurashiki-KojimaThe chiefs except (currently Kojima, Kurashiki City) also approved and applied for a merger with the government.However, the mayor of KurashikiNew Year's HolidayDue to the turmoil that went to Tokyo with the official seal and disappeared temporarilyKurashikiWas not signed, and due to this, the two cities of Okayama and Kojima also withdrew.1964 In (39), Governor MikiSudden deathThe idea was broken by.

Merger with 50 cities

High economic growth periodAs Okayama City expanded and expanded into the suburbs, it rapidly expanded around the surrounding municipalities.Bed townProgressingSocial capitalThe maintenance did not catch up and the merger proceeded at once.1969 (Showa 44)Fiscal rebuilding organizationIt was just before the fallSaidaiji CityStarting with, Ichinomiya, Tsudaka, Takamatsu, Kibi, Senoo, Fukuda, Ashimori, Kamido, and Kouemura1975 A major merger with 50 municipalities was carried out until reaching Fujita Village in (11), and Okayama CityGovernment-designated cityExceeded the legal requirement of the population of 50.

Great Heisei merger

2002 (14)2 OkayamaJunior ChamberWith Okayama cityTamano-shiDue to merger withGovernment-designated citySubmit a request for transition to Mayor Okayama,7In Okayama City and Tamano City,Nadasaki Town,Mitsu Town,Seto TownA merger study group was established by2003 (15)4Except Seto TownVoluntary merger councilWas installed.2004 (16)1In the meantime, an interim report will be made regarding the contents such as new merger and maintenance of existing original administrative services.2Abandoned the merger with Okayama City and withdrew.However, the remaining Nadasaki Town and Mitsu Town continued discussions on the merger with Okayama City in 2005 (Heisei 17).3Merged into. (First merger of Minami ordinance city in Okayama prefecture)

Takebe-cho and Seto-cho, which had been discussing mergers with other towns, changed their policies one after another and applied for a merger with Okayama City on the premise of transition to a government-designated city.1Was merged and merged into (Okayama Prefecture Minami Ordinance City Concept Second Merger) (CensusPopulation 69, at the time of mergerEstimated population69 people).And 8 (Heisei 2007)6Has exceeded an estimated population of 70 (the city survey estimated population, the prefecture's monthly reportMay 8), it was determined that the population requirements for transition to a government-designated city were met.

Transition to ordinance-designated city
  • 2006 (18) June --The merger with Takebe Town and Seto Town was decided by the city council, and the merger application was submitted to the prefecture.
  • September 2006-The mayor asked the representative question of the September regular meeting of the city council.2009 During (21)Government-designated cityOfficially announced that they are aiming for a transition.
  • October, November 2006- OkayamaEstablished a study group on delegation of authority, and established a government-designated city promotion headquarters within the agency.
  • 2007 (19) January-Takebe Town and Seto Town are merged.
  • April 2007- Estimated populationExceeded the population requirement (special case) of the ordinance-designated city of 70.
  • July 2007-Established "Administrative Division Council" and "Ordinance-designated City, Prefecture and City Liaison Council" respectively.
  • April 2007- Administrative districtAs 4 wardsWard officeThe position (including provisional) is decided, the “statement of opinion regarding the ordinance-designated city” is voted on by the city council, and the request is submitted to the prefectural governor and prefectural assembly. Concluded a basic agreement with Okayama Prefecture regarding transfer of authority[12].
  • 2008 (20) February --The selection of the ward name is consulted by the administrative division council.Okayama City Ordinance-designated City Promotion CouncilMayorWith the city council chairpersonMinistry of Internal Affairs and CommunicationsMake a request to.
  • April 2008- Ministry of Internal Affairs and CommunicationsAdministrative consultation with "Statement of opinion on ordinance-designated cities" was voted by the prefectural assembly,Prime Minister,Minister of Internal Affairs and Communications,Chairman of the House of Representatives,Chairman of the House of CouncilorsSubmitted to.
  • April 2008- Governor of Okayama PrefectureVisited the Ministry of Internal Affairs and Communications with the mayor and formally requested that Okayama City move to an ordinance-designated city in April 2009 as a prefecture.Okayama City received a report from the administrative divisions council and named the four administrative districts.Kita-Naka-ku-Higashi Ward-South wardDecide the policy[13].
  • September 2008-Governor of the prefecture,Prefectural assembly chairperson, Mayor, city council chairman, Okayama city ordinance-designated city promotion council chairmanHiroya MasudaMinister of Internal Affairs and Communications(At that time)Cabinet OrderRequest for revision.
  • October-October 2008-Cabinet decision on April 10, 10 to revise the Cabinet Order to make Okayama City a designated city.[14], Promulgated on 16th[15].
  • 2009 (21) April --- Moved to a government-designated city. 4 administrative districts are established and each ward office is opened.
  • 2010 (22) June- Registered population(Basic Resident RegisterAlien registrationHas exceeded 70, and both the estimated population and the registered population have exceeded the population requirement (special case) of the ordinance-designated cities of 70. (The estimated population of the city at this point is 70.5)
Change of city limits

The present Okayama city, which has repeatedly merged with the surrounding municipalities since the city system came into effect in 1889 (Meiji 22),Mitsu-gun(OldMino-gun-Tsudaka-gun)・Kamido-gun-Kibi-gun(OldKayo-gun)・Kojima-Oku-gun-Tokubo-gun(OldTou-gun)・Akaban-gun(OldAkasaka-gun-Iwashi-gun)・Wake-gun-Kume-gun(OldKume Nanjo District-Kume Hojo-gun)WhenBizen country-China-Beautiful landExtensiveRegionIt extends to.

dateMerged municipalities
1889 (Meiji 22) June 6Municipal system enforcement
1899 (Meiji 32) June 8Ono Village, Ijima Village, Ishii Village, Shikata Village, Furukata Village, Fukuhama Village and all areas
1921 (Taisho 10) March 3Ijima,Ishii Village,Shikata VillageThe whole area and most of Minomura
1931 (Showa 6) January 4,Fukuhama Village
1950 (Showa 25) January 12(Incorporated Kojima Bay reclaimed land)
1952 (Showa 27) January 4Makiishi Village,Onomura,Imamura,Yoshida,Baishi Village,Koura Village,,,,
1953 (Showa 28) January 3Part of Makiyama Village and Takatsuki Village
1954 (Showa 29) January 4Takashima Village,Zaita Town, The whole area and part of Mitsu Town
1969 (Showa 44) January 2Saidaiji City
1971 (Showa 46) January 1Ichinomiya,Tsudaka Town,Takamatsu Town
1971 (Showa 46) January 3Kibi-cho,Senoo Town,Futian Village
1971 (Showa 46) January 5Kamido-cho,Kousei Village,Ashmori Town
1975 (Showa 50) January 5Fujita
2005 (17) April 3Mitsu Town,Nadasaki Town
2007 (19) April 1Takebe Town,Seto Town

The former city hall / town / village office, which was merged after 1969 (Showa 44), has been taken over as the ward office / branch / regional center of Okayama City.

Changes in address notation (since 2005 (Heisei 17))
-March 2005, 17 (Heisei 3)September 2005, 17-
2007 (Heisei 19)/1/21
September 2007, 19-
2009 (Heisei 21)/3/31
September 2009, 21-
2010 (Heisei 22)/3/21
September 2010, 22-
Former Okayama city areaOkayama City ○ ○Kita Ward, Okayama City ○ ○
Naka-ku, Okayama City ○ ○
Okayama City Higashi Ward ○ ○
Okayama City Minami Ward ○ ○
Former Mitsu Town AreaMitsu-cho, Mitsu-gun ○○Okayama Mitsu○○Okayama City Kita-ku Mitsu○○
Former Nadasaki Town AreaNadasaki Town, Kojima District ○ ○Nadasaki Town, Okayama City ○ ○Nadasaki Town, Minami Ward, Okayama City ○ ○Okayama City Minami Ward ○ ○
Former Takebe Town AreaKenbe Town, Mitsu-gun ○○Okayama City Takebe Town ○ ○Okayama City Kita-ku Takebecho ○ ○
Former Seto Town AreaSeto Town, Akaban District ○ ○Seto Town, Okayama City ○ ○Seto-cho, Higashi-ku, Okayama City ○ ○
  • The former Nadasaki town area was merged (2005 (March 17) → Transition to government-designated city (2009 (April 21) → End of special merger zone (2010 (March 22), the address notation has been changed three times.
  • For the former Takebe Town area and the former Seto Town area, the notations "Takebe Town" and "Seto Town" continue to exist even after the expiration date of the special merger zone.
  • For the former Mitsu Town area, the notation "Mitsu" is used, which is the "town" of Mitsu Town after the expiration date of the special merger zone.


City council

Prefectural assembly

Okayama Prefectural Assembly(Okayama City elected)
  • Constant number: 19 people
  • Term:2019 (ReiwaFirst year) May 5th ~ 2023 (5nd year of Reiwa) May 5
ConstituencyNameParliamentary name
Kita-Kaga-gun (8)Tsutomu KawamotoLDPOkayama Prefectural Assembly
Youji HataLiberal Democratic Party Okayama Prefectural Assembly
Masataka OtaLiberal Democratic Party Okayama Prefectural Assembly
Fukuda TsukasaLiberal Democratic Party Okayama Prefectural Assembly
Toshihiko TakaharaDemocratic and prefectural club (Constitutional Democratic Party)
Otsuka AiDemocratic and prefectural club (Green party(Recommended)
Eiichi MasukawaKomeitoOkayama Prefectural Assembly
Hiromi HachiyaIndependent
Naka-ku (4)Hiroyuki OguraLiberal Democratic Party Okayama Prefectural Assembly
Toru TakahashiDemocratic and prefectural club (National Democratic Party)
Shigeto SasaiKomeito Okayama Prefectural Assembly
Mihoko UjihiraJapan Communist PartyOkayama Prefectural Assembly
Higashi Ward (3)Kyoko FukushimaLiberal Democratic Party Okayama Prefectural Assembly
Kenichi OtokuraLiberal Democratic Party Okayama Prefectural Assembly
Nakagawa MasakoDemocratic and prefectural club
South ward (4)Kobayashi KobayashiLiberal Democratic Party Okayama Prefectural Assembly
Kazuaki OhashiLiberal Democratic Party Okayama Prefectural Assembly
Shunzo ArashimaKomeito Okayama Prefectural Assembly
Kyoko KiguchiIndependent

House of Representatives

ConstituencyRepresentative nameParty nameNumber of winsRemarks
Okayama Prefecture 1st Ward(KitaPart ofSouth wardPart of)Ichiro AisawaLDP11Constituency
Takashi TakashiIndependent3Proportional revival
Okayama Prefecture 2st Ward(Part of Kita Ward,Naka-ku,Higashi Ward, Part of Minami Ward, etc.)Takashi YamashitaLDP3Constituency
Keisuke TsumuraConstitutional Democratic Party6Proportional revival
Okayama Prefecture 3st Ward(Part of Higashi Ward, etc.)Abe ToshikoLDP5Constituency



There are 6 police stations in the city and it is a government-designated cityOkayama Prefectural Police OfCity Police DepartmentIs in charge. The jurisdiction is roughly the same as the administrative district, but there are some areas that remain in the jurisdiction before the merger.

* Detailed jurisdiction can be confirmed in the name, location and ordinance of the Okayama Prefectural Police Station.


Fire fightingOkayama City Fire DepartmentIn charge of 5 fire stations, 1 branch station, 13 branch offices in the north, middle, east, west and south (1 branch office outsources fire and emergency services to Okayama city)Kibichuo-cho・1 emergency station is installed,Okananami AirfieldA fire aviation base is set up inSpecial Advanced Rescue TeamIs organized.

  • Okayama City North Fire Station (Kita(Jurisdiction over the northeast)
    • Bancho Branch Office, Tsudaka Branch Office, Mitsu Branch Office, Takebe Branch Office, Now Branch Office
  • Okayama City Fire Station (Naka-kuJurisdiction)
    • Asahi East Branch / Ryusyo Branch
  • Okayama City East Fire Department (Higashi WardJurisdiction)
    • Kachi Branch, Kamido Branch, Seto Branch
  • Okayama City West Fire Department (jurisdiction over western part of Kita Ward)
    • Takamatsu Branch Office/Kibi Chuo Branch Office (Kibi Chuo Town)/Kibi Chuo Branch Office Ashimori Emergency Station
  • Okayama City Minami Fire Department (South wardJurisdiction)
    • Senoo Branch/Nadasaki Branch

2009 The jurisdiction after (21) is almost the same as the area of ​​the administrative district.The Kita Ward is under the jurisdiction of the North Fire Department and the West Fire Department.The jurisdiction of the newly established West Fire Department is Kyoyama, Ishii, Nakayama, Takamatsu, and Ashimori junior high school districts in the Kita Ward, and Kibichuo Town, west of Sasagase River in the Minami Junior High School District.The jurisdiction of the North Fire Department is the area of ​​the North Ward excluding the jurisdiction of the West Fire Department.In addition, due to the establishment of the West Fire Department, the Sanmon Branch Office and Niwase Branch Office were abolished in the form of integration into the West Fire Department.2010 (22) From the West Fire DepartmentAdvanced rescue teamHowever, it is obligatory to install it in ordinance-designated cities.Special Advanced Rescue TeamWas upgraded to.2014 In (26), the Bancho branch office was opened in Okayama City for the first time in 22 and a half years.2016 With the relocation of the new construction of the North Fire Department in (28), the special advanced rescue team was relocated from the West Fire Department.2017 To Takamatsu branch office due to the relocation of the new construction of the Kibitsu branch office of the West Fire Department in (29)RenamedWas done.


Major medical institutions

Kita Ward (Okayama City North/Central)
Naka Ward (Okayama City East)
Higashi Ward (Saidaiji district, Okayama city)
Minami Ward (Southern Okayama City)

Cultural facility



Main library

Convention concert

post office

Main post office

Zip CodeIs as follows.

Exercise facility

National agency

Foreign relations

Sister city/affiliated city


Okayama City has exchanges with 6 cities and 2 regions overseas[21].

International Friendship City[22]
1956 (Showa 31), the director of the Hiroshima American Cultural Center consulted about the city relationship, leading to a sister city tie-up.[23].. This is the third overseas sister city tie-up in Japan.[24].. In 1965 (Showa 40), it imitated Korakuen in San Jose.Japan Friendship GardenWas opened.
San Jose, USA, formed a sister city tie-up with San Jose. Mayor of San Jose proposed a sister city tie-up with three cities[23].. We accept and dispatch visiting groups every 10 years[22]In 2002, the city of San JoseOkayama ParkWas built by the donation of Okayama citizens[22].
1969 (Showa 44) In February, the Bulgarian ambassador to Japan consults with the city of Plovdiv.[23].
Kibi MabiIs related to the fact that he visited Luoyang as a deputy ambassador to the country, and has a common point such as population size (about 50 people at that time)[23].. 2003 (Heisei 15)May 4Luoyang City protested the alliance with Hsinchu City, so the alliance was frozen, but in 2006 (Heisei 18)May 3Since the mayors of both sides have changed, and it is the 25th anniversary of the conclusion, the tie-up freeze was lifted and it was decided to revive.
Private exchanges through the festival were actively carried out, and a sister city tie-up was reached due to the accumulation of exchanges such as concluding parliamentary sister relationships and dispatching children and city staff[23].
2000 In 12, the "Okayama City Japan-Taiwan Friendship City Parliamentary League" was formed, and a memorandum of understanding was signed with the Parliamentary League and the Hsinchu City Council and the city government to promote exchanges.[23].
Areas where partnership partnership agreements are concluded[22]
Kai Youth (Cayuse people, Umatila (Umatilla people, Walla Walla (Walla Walla peopleConsists ofSettlement.1993 (5), Walla Walla Indian Don Sampson gave a lecture at the international exchange forum of "Okayama Ai Festival" and performed traditional music and dance.[22][23].. Deepen mutual exchange and reach friendly alliance[23].
1998 (10) in AugustOkayama-GuamBecause private exchanges became popular with the fact that the spaces were connected by air[23].


Partner city
In 1979 (Showa 54), a female sent by Korakuen in Okayama CityJapanese crane(Tancho Crane) was kept by the Tancho Crane Nature Park in Kushiro City and made a pair.[26](It is sometimes described that eggs were sent from Okayama and artificially hatched in Kushiro.[25]). About Okayama and Japanese craneOkayama Nature Conservation CenterSee also

International organization


Honorary Consulate[27]


Primary industry

In the northern highlands and hilly areas, the cultivation of fruits, which have many brand-name items, is flourishing nationwide, and it is a major industry in Okayama City. "peach(white peach,Shimizu white peach, Golden peach, etc.) and “grape(Muscat,Shine Muscat,New Pione, Etc.) and the top share in Japan.Atago Pear(Atago pear)", "Duck(Yearly)” is its main brand item. In addition, livestock production centered on dairy cows is popular, and in addition,Shiitake mushroomAnd yellow, which is rare in JapanLeekIs being cultivated.

Vast southKojima BayBecause there is a countryside in the reclaimed landRiceThe total production volume of 8,900t accounts for a quarter of Okayama Prefecture. The breed isAsahi USThere are many of themOmachi riceIs also cultivated. In other cases,lotus root","eggplant"And the raw material for beer," NijobarleyIs also cultivated. Once upon a time in winterRushIt was a major production area, but now it is few. In the plains in the south of Okayama prefecture where the sunshine is long, there are many places where fresh flowers are produced. Even in Okayama citySweet pea","Dendrobium,” Larkspur”, etc. are cultivated and shipped all over the country.

Secondary industry

The value of manufactured goods shipped is 8,200 billion yen, which accounts for about 10% of Okayama Prefecture's total, and is mainly in industries such as machinery, chemicals, food, and printing.

CoastalKojima Bay TheAsahikawa,Yoshii RiverEtc.First-class riverThe heavy chemical industry zone has not been formed because the depth of water is shallow due to the accumulation of sediment flowing out of it, and it is difficult to develop a route for 1-ton class vessels. for that reason,OkanamiIn an industrial areaKuraray-DOWA Holdings-Western Japan Daiken ProductsIn addition, in the Shinokaminami area and the Kuju area on the east coast of Asahikawa,Yanmar Agri(YanmarGroup) and ShikokuSekisui HeimIndustry (Sekisui two you homeManufactured),NagatanienThere are many light industrial factories overall.

From these things,Industrial parkWe are focusing on development, and Kume near the city,HigashiokayamaThere are many medium-sized inland industrial parks such as ironworks and castings in Shinokaminami. Also,"Okayama Research Park, And "Saidaijishin Industrial Zone Corporate Complex" are attracting business establishments with an emphasis on research and logistics.With the incorporation of the four surrounding towns, in 4 (Heisei 2005), Mitsu TownKabayaHeadquarters factory and 4 industrial parks,2007 In (19) in Seto-choKirin BeerOkayama factory and others joined.

Tertiary industry

Okayama metropolitan areaIt is the central city of the prefecture and has an overwhelming ability to attract customers in the prefecture. Typical commercial areas are Omotemachi and Okayama Station. As for the flow of commercial areas in the city center in recent years,arcadeThere was a tendency to disperse after moving from the shopping streets along the road connecting the main facilities, but in recent years redevelopment around Okayama station and expansion into commercial facilities have continued, and in recent yearsReturn to the city centerIs happening.

New retail store openings, etc. in the 50s (1975 (Showa 50)- 1984 From (59)) to the beginning of Heisei, the suburbs were the center, and the center was stagnant.After that, when the flow changed to the return to the city center,1998 (10)JTWas built on the site of the city hall's factoryIto-YokadoJoypolisThe complex facility "" was the forerunner of redevelopment. In addition, the construction of high-rise condominiums has continued, and the resident population in the center has been on the rise.


A major commercial cluster in Okayama City and Okayama Prefecture.It is a commercial area developed near the old castle.It is within walking distance from Okayama station,bus,TramIs also running. Most of the city bus routes are in the central part of OmotemachiTenmaya Bus StationSince it goes to Okayama Station via, it has a structure where shoppers gather. AroundBank of ChinaHead officeOkayama Prefectural OfficeEtc.Omotemachi Shopping StreetLocal located in the central partDepartment store OfTenmayaThere are a large number of commercial stores centering on the main store, targeting a wide range of age groups. Also, “Dutch Street” on the northeast side of the shopping district has been transformed from a back street to a youth town.

As a recent movement1999 (11)Credo Okayama,furtherloftThe nucleustenantOkayama Lots (formerlyIzumiOkayama store) etc. have been opened. On the other hand, at the northern endOkayama Symphony Hall, In the south of SaidaijiSanchome Theater, Old in the eastBOJWith the Renes Hall that recreated the remains of the Okayama BranchOkayama Civic CenterIt has theaters and music halls such asCulturalThe color is strengthened.

The Tenjin district, where historical facilities such as Okayama Castle and Korakuen, and cultural facilities such as art museums and museums are located, is also called "" and is adjacent to the tourist zone. There are restrictions.

Around Okayama Station

Sanyo Shinkansen-Shin-Osaka ~ With the opening of OkayamaTakashimayaOpening large stores with capital outside the prefecture such asUnderground streetIsOkayama first streetIs a relatively new district that has been opened, and the commercial map of the city center has been re-polarized.

Redevelopment has been one after another over the last few yearsOkayama Convention CenterLitt City BuildingAt the east exit, a commercial facility due to conversion from Okayama Station to the bridgeSansute Okayama,Naritsu Okayama BuildingOf large consumer electronics retailersBic cameraCommercial facilities opened one after another.

OnceHayashibara GroupThe land on the south side of the east exit of Okayama Station (about 46,000m2) Is the largest commercial complex in the Chugoku and Shikoku regionsAEON MALL OkayamaBecame. The first non-suburban typeGovernment-designated cityAs a downtown commercial facility located in front of the central station,Tokyu Hands,H&M,ZARASuch as tenantsCinema complex,Okayama BroadcastingThere is a studio and a news department office. In addition, the fashion building of the same AEON Group is located on the opposite side of the city hall.Okayama VivreHowever, with the opening of AEON MALL Okayama,2014 (26) The store closed on May 5th.

Major companies headquartered in Okayama

* Bold isListed companies

Architecture/real estate
Electrical & Gas
Eating out

Communication/life base

Mass media

News (Chinese)


CommercialTerrestrial wavetv setOn broadcast, Okayama PrefectureKagawaIt is the same broadcasting area as 3 stations in Okayama city,TakamatsuThere are two offices headquartered in. Okayama/Tamano City borderMt.Kinko transmitting stationIn Okayama and Kagawa prefectures, there are parent stations of TV stations.

Regarding radio broadcasting, it is broadcast in each prefecture area of ​​Okayama and Kagawa, but it can be heard in many areas of both prefectures, and even in Okayama City, it is possible to hear the prefecture broadcasting of Kagawa prefecture.

TV station

Main officeIs located in Takamatsu City, Kagawa Prefecture, but Okayama City is also included in the broadcasting target area (both have Okayama Headquarters in Okayama City)

Radio station
Cable tv station

Cable TV has two stations in the service area, but there is no area where the two stations are mixed. Also, these two stations can watch onivision programs.


In OkayamaArea codeIs as follows:

  1. OkayamaMA086(City code is 200 ~ 299, 362 ~ 365, 367 ~ 369, 722 ~ 724, 726, 728, 737, 738, 800 ~ 809, 890 ~ ​​909, 940 ~ 949, 952, 953, 959) -City Most of
  2. KurashikiMA086(Same as 420-489-520, 529, 552, 553, 691, 697) -A part of Mishima, Minami-ku and a part of Uematsu, Minami-ku
  • From area 1 aboveSetouchi City(Oku-cho (part of Otomi, part of Kitajima, part of Fukunaka, part of Fukuyama, Mukoyama)),Akaban(Part of Iwata, Hozaki, stables, part of Wada),Kumenami TownCity charges apply to, but other areas with the same area code (areas in 2. above and Akaiwa MA (city code 600 to 609, 950, 951, 954 to 958, 994 to 999)- Akaban(Excluding some Iwata, Hosaki, Baya, and some Wada),Misaki TownMutual calls to (Takashita, Iioka) are covered by the prefecture's out-of-city charges (adjacent areas), and the area code (086) is required.
  • From area 2 aboveKurashikiOf whichGeneral corporation(Kiyone Kuroda),Asaguchi City(Part of Yae, Kanemitsu Town),Hayashima TownLocal charges apply to (areas with area code 086 only), but inter-call charges to other areas with the same area code (area 1. above and Akaban MA) apply within the prefecture. (Region 1 is treated as an adjacent area) and the area code (086) is required.

Change of phone number due to unification of MA in Okayama city

2013 From May 25, 5, all areas in Okayama City and Kumenan Town that correspond to Okayama Seto MA, Tamano MA, and Fukuwatari MA have been incorporated into Okayama MA (area 1. above).

  • Okayama Seto MA (No change in area code)
    • 958-FGHJ → 908-FGHJ (F code is0-1)
    • 952-953-959No change in phone number for stations.
    • The remaining area is "Akaban MAWas renamed to. In addition, in Akaban city953Bureau (Seto Mantomi Containment Bureau)995After changing to the station (Kumayama Containment Bureau), the subscriber number was also changed significantly. In Akaban city959Bureau (KDDI)606Changed to a station (no change in subscriber number).
  • Tamano MA
    • 08636-E-FGHJ → 086-36E-FGHJ (E code is2~5,7~9)
    • 0863-66As for (Hokodate Containment Bureau), it is still Tamano MA.
  • Fukuto MA
    • 0867-DE-FGHJ → 086-7DE-FGHJ (DE code is22~24-26-28-37-38)
    • The remaining area is "Kamogawa MAWas renamed to. In addition,0867-27(Fukuwatari Asahi Bureau)0867-34(Kamogawa Containment Bureau)0867-35(Kamogawa Ihara Containment Bureau) remains Kamogawa MA as before.



University consortium Okayama

By utilizing intellectual resources and collaborating with local communities and industry by universities and political circles in Okayama Prefecture, "creating attractive higher education suitable for the times" and "contributing to the development of vibrant people and urban development" Aiming at2006 (18) Established in April. Currently, there are 4 four-year universities in Okayama Prefecture, andOkayamaAnd the Okayama Keizai Doyukai, the secretariat is in Okayama University of Science.


There are no public universities in the city.


Junior college


In the past, Okayama Prefectural Junior College existed.the current[When?]Is the "Okayama Prefectural Lifelong Learning Center".Okayama Prefectural Universityas well as the Okayama Prefectural University Junior CollegeSee also section.


Vocational school

Secondary school


high school


Junior high school

There are 38 junior high schools (including 1 national school) in Okayama city.


For junior high schools that do not have a high school, refer to the articles of each ward.

Kindergarten/elementary school

Regarding kindergartens and elementary schools, please refer to the articles of each ward. There are 80 kindergartens (1 national and 9 private) and 93 elementary schools (1 national and 2 private) in the city.

Special school

Educational facilities other than school education

Driving school
Okayama Labor Bureau Director Registered Training Organization



Domestic flights

Japan Airlines(JAL)Tokyo International Airport
Japan Transocean Air(JTA)Naha Airport
All Nippon Airways(ANA)Tokyo International Airport,New Chitose Airport[Note 1]

International flights

Korean Air(KE)[28]Republic of Korea flag South Korea-Incheon International Airport
China Eastern Airlines(MU)[29]Flag of the People's Republic of China Chugoku-Pudong International Airport
Tiger Air Taiwan(IT)Republic of China flag Republic of China-Taiwan Taoyuan International Airport
Hong Kong Airlines(HX)Hong Kong flag Hong Kong-Hong Kong International Airport


The railway network extends, with the railroad lines extending radially from Okayama Station and connecting to most of the main areas of the city.[Note 2].

In particularJRSince its inception,National railwayTrain type of the timesDiamondSince then, the focus has been on transportation in metropolitan areas, and there are many people along the lineSanyo Main LineThe number of stations is gradually increasing.

As a future plan, of the JR Kibi LineLRTThere is a chemical conversion plan.

West Japan Railway Company(JR West Japan)


PrivateOkayama Electric TrackIs in operation. 2 routes, total length 4.7kmJapanShortest inTramThen from the front of Okayama stationOmotemachi,Prefectural officeThere is a route centering on the old castle town. It is used by about 1 people a day and has been established as a foot for citizens and continues to operate in the black.

As a future prospect, get in the Okayama station east exit station square, go down the city hall line and go from Daiku with the city hallOkayama University HospitalOrOmoto StationOr from Ogose to the east Kiyohashi Bridge lineIn front of Daiunji TempleThere is a new line concept such as circularization that connects the two.

At the same time the city hallTransit mallThere is also a concept that it will be changed, and a social experiment has been conducted to investigate the effect of traffic congestion due to lane reduction. Also,LRTIt has already been agreed between Okayama Electric Railway and JR that they will enter the JR Kibi Line, which is scheduled to be converted. However, in both cases, the government and companies are unable to agree on the burden of construction funds, and the plan has not progressed.

Okayama Electric Track


Transit Bus

Several private buses operate in different areas, and there is no record of public transportation (municipal bus) operation. The line is the bus terminal at the east exit of Okayama stationTenmaya Bus StationA line network is formed in a radial pattern centering around. In addition, the Okayama station west exit bus platform was opened on April 2010, 4, and there are route buses from Okayama station to the northwest and high-speed, sightseeing and airport limousine buses.

Hachiko Transportation is a method of boarding before and after getting on and off, and a fare is a special section system with a numbered ticket.

Ryobi Bus, Okaden Bus, Tobi Bus, Shimotsui Bus, Uno Bus, and Chutetsu Bus are non-contact IC cards.HarecaCan be used in common.On the other hand, Chutetsu Bus (some routes) and Bihoku BusBus card for each(prepaid card) Is issued. Hareca introduction companies (only some routes of Chutetsu Bus) (excluding Uno Bus)Surutto KANSAI CouncilBecause it is a member ofIC card compatible with nationwide mutual serviceCan also be used.


Highway national road
Regional high standard road
General national road

In Okayama City, the main roads that serve as a wide-area movement axis are north-southNational Route 30National Route 53, East-west directionNational Route 2bypassAnd Old National Route 2 (currentNational Route 250,Okayama Prefectural Road No. 162 Okayama Kurashiki Line), northwest directionNational Route 180Is. In particular, National Highway No. 2 Bypass is the only road with four or more lanes among the main roads that run through Okayama City from east to west.Asahikawa,Hyakken RiverAs it crosses large rivers such as, more than 10 cars pass in many places a day.

Prefectural road


Regular passenger routes:Shodoshima(KagawaShodo-gunTonosho Town)Direction


Tourist spot

Higashi Ward
South ward
  • Kinkozan
  • Okayama Farmers Market South Village


Festivals and events

  • Saidaiji TempleKaiyo(Naked Festival) (February 2rdSaturday
  • Okayama Sakura Carnival (April)
  • Okayama Momotaro Festival-Back(Late July or early August)
  • Karasujo light source village (August)
  • Okayama International Music Festival (September)
  • National Famous Morning Market Fair (October)
  • Autumn Momotaro Festival (October)
  • Bizen Okayama Eh? Isn't it oath payment (early November)?
  • Morning market
    • Kyobashi morning market (first Sunday of every month)
    • Saidaiji Morning Market (3rd Sunday of every month)

Specialty / famous confectionery


Professional Sports Team/Adult Sports Team
Is basedOkayama Prefectural Ground Athletic Field(City Light Stadium)
Is basedOkayama Prefectural General Gymnasium(Zip Arena Okayama)
Is basedOkayama Prefectural General Gymnasium(Momotaro Arena)
Is basedOkayama Prefectural Ground Athletic Field(City Light Stadium)
Is basedOkayama Budokan

Annual sports competition held in Okayama city

International sports events held in the past

Origin/related celebrities

List of people from Okayama citySee.

Works set in Okayama city

TV drama
10. If Harima immediately goes to Okayama in Bizen, where you can hear the name of the pottery, you can change to the famous Kibi dumpling Tsuyama.
11. Mito, Kanazawa, Okayama, and three parks under the sun. See also Korakuen.
19. The cherry blossoms of the famous tree that Saidaiji Hojo Toki Yoriturido hand-planted after Setouchi are in Iwama-ji Temple.
20. Korakuen in Okayama, which is coming soon, is one of the three parks in Japan
21. A city that thrives in Asahikawa City of XNUMX villages and the XNUMX divisions that are clean
22. There are two railroads to transfer to the Chinese railway. To play in Sakushu Tsuyama, visit the Kibitsu shrine.
25. Returning to Koshiokayama, famous for its sound, Bizen ware.


[How to use footnotes]

 注 釈 

  1. ^ From October 2013, 3 to December 31, 2018AIRDOIt was an operation of.
  2. ^ In Okayama CityPrivate railwayRailway (runs on the roadOrbit methodbyTramnotRailway Business LawbyTrain) Does not exist, JR is the only transportation available in the suburbs. nationwideGovernment-designated cityIn addition, as a city where private railway does not exist,HokkaidoSapporo,MiyagiSendai city,NiigataNiigataThere is. None of these citiesHeavy snowfallThere is something in common. The City Transportation Bureau operates in Sapporo and Sendai.subwayHowever, there are no subways in Niigata and Okayama. In this way, the only ordinance-designated cities where there is no railway other than JR are Niigata City and Okayama City. In both cities, there were times when private railways existed before the transition to a government-designated city, and in Niigata CityNiigata Transportation Train LineExists, even in Okayama city1984 Until (59)Okayama Rinko RailwayExisted, but all of them have been abolished due to the decrease in transportation volume.


  1. ^ ""Sunny Country Okayama" continues to be statistically supported”. Okayama Prefectural Policy Bureau Statistical Analysis Division (May 2011, 5). October 2017th, 3Browse.
  2. ^ Genuine Kondo,Short-term changes in urban temperature and environment'
  3. ^ Okayama's warming history recorded in underground temperature Okayama University of Science Goichi Kitaoka (PDF)
  4. ^ Notice of Change of Site Name and Missing Observation Data Due to Relocation of Ground Meteorological Observation Site "Okayama" Okayama Local Meteorological Observatory. (PDF)
  5. ^ Hiyoji Temple 1st to 10th value in the history of observation
  6. ^ "Normal value download”. Japan Meteorological Agency. 2021/6Browse.
  7. ^ "Value of 1st to 10th in observation history (value throughout the year)”. Japan Meteorological Agency. 2021/6Browse.
  8. ^ Top meeting with Mayor Okayama Takamatsu City Official Site-Mayor's Office
  9. ^ 27 national census result Basic population results (Okayama Prefecture)
  10. ^ Deputy Mayor of Okayama City - Okayama CityOfficial website・ March 2012, 24 Press conference
  11. ^ About appointment of deputy mayor --Okayama City Official Website ・ August 2012, 24 Press Conference
  12. ^ Ordinance-designated city transition Okayama city concludes basic agreement with prefecture --December 2007, 19. Okayama Nichinichi Shimbun.
  13. ^ We announced ward name policy --June 2008, 20. Okayama City.
  14. ^ Ordinance Reform: Okayama Moves to Maebashi, Core City of Decree City--April Next Year - Mainichi NewspapersOctober 2008, 20. (Mainichi Newspapers)
  15. ^ Okayama City Hall signboard for decision to move to ordinance city Mayor Takaya unveiled in line with promulgation of ordinance --October 2008, 20. Sanyo Shimbun.
  16. ^ "701-01xx" area isKibi Post OfficeJurisdiction, "701-11xx" area is formerTsudaka Post OfficeJurisdiction, "701-21xx" area is under the jurisdiction of the former Musa Post Office.Respectively,2006 (18) Musa Post Office,2015 (27) Tsudaka Post Office,2018 Transferred to Okayama Chuo Post Office in (30) due to the elimination of collection and delivery stations at Kibi Post Office.
  17. ^ "709-12xx" area isSakogawa Post Officejurisdiction.2017 Transferred to Senoo Post Office in (29) due to the elimination of collection and delivery of Hazakawa Post Office.
  18. ^ The "701-14xx" area is under the jurisdiction of the former Ashimori Post Office, the "701-15xx" area is under the jurisdiction of the former Japan Post, and the "701-16xx" area is under the jurisdiction of the former Fukutani Post Office.Respectively,2006 (18) Ashimori Post Office / Hijikai Post Office,2016 Transferred to Takamatsu Post Office in (28) due to the elimination of collection and delivery stations at Fukuya Post Office.
  19. ^ The "701-22xx" area is under the jurisdiction of the Motoakasaka Post Office, and the "709-07xx" area is under the jurisdiction of the former Kumayama Post Office. Transferred to Bizen Seto Post Office in 2006 (Heisei 18) due to the elimination of collection and delivery stations at Akasaka Post Office and Kumayama Post Office.
  20. ^ "701-01xx" area isKibi Post OfficeJurisdiction, "710-01xx" area is former, Amagi Post Office jurisdiction, "710-11xx" area is formerChayamachi Post OfficeJurisdiction, "710-13xx" area is formerly under the jurisdiction of Yata Post Office.Amagi Post Office and Yata Post Office in 2006 (Heisei 18), Chayamachi Post Office in 2015 (Heisei 27), respectively.2018 Transferred to Kurashiki Post Office in (30) due to the elimination of collection and delivery stations at Kibi Post Office.
  21. ^ a b c d e f g h i j k l m n o p q "Introduction of international friendship exchange cities/regions". Okayama City. October 2016th, 6Browse.
  22. ^ a b c d e "Ideal way of business with international friendly exchange cities (PDF)". Okayama City. October 2012th, 2Browse.
  23. ^ a b c d e f g h i j k l m n o p q r s t u v w x y "Sister (Friendship) Alliance Information". Local Government Internationalization Association.As of August 2012, 10オ リ ジ ナ ル[Broken link]More archives.October 2016th, 6Browse.
  24. ^ "Mayor News [50th Anniversary San Jose City Delegation to Japan-April 20, 4]". Okayama City. October 2016th, 6Browse.
  25. ^ a b "Domestic sister cities, etc.”. Kushiro City. October 2016th, 6Browse.
  26. ^ a b "City Manual 2003”. Kushiro City. October 2016th, 6Browse.
  27. ^ List of Consulates in Okayama Prefecture
  28. ^ Delta Airlines-Czech Airlines-Japan AirlinesAnd code share
  29. ^ Japan AirlinesAnd code share

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