# Okayama

> city in Okayama prefecture, Japan

**Wikidata**: [Q200078](https://www.wikidata.org/wiki/Q200078)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Okayama)  
**Source**: https://4ort.xyz/entity/okayama

## Summary
Okayama is a city in Okayama Prefecture, Japan, serving as both a government-designated city and the prefectural capital. It is known for its historical significance, cultural landmarks, and role as a regional hub in the Chugoku region.

## Key Facts
- Okayama was officially founded on June 1, 1889.
- The city covers an area of 789 square kilometers.
- As of 2021, the population was 720,043.
- The city is divided into four wards: Kita-ku, Naka-ku, Higashi-ku, and Minami-ku.
- The city hall is located in Kita-ku.
- Okayama is part of the Okayama Plain and borders the Seto Inland Sea.
- The city's official anthem is "Okayama Shiminka," adopted in 1958.
- The city operates official social media accounts, including a Twitter account verified since May 15, 2012.
- Okayama is twinned with cities including San Jose, Bucheon, and Plovdiv.
- The city is home to landmarks such as Momotaro Arena and Okayama Symphony Hall.
- It is classified as a "city designated by government ordinance" since April 1, 2009.
- The city's official symbols include the chrysanthemum flower, Ilex rotunda tree, Lagerstroemia indica flowering tree, and the Red-crowned Crane as its bird.
- Okayama is located in the UTC+09:00 time zone.
- The city's official website is https://www.city.okayama.jp/, in Japanese.
- Okayama is part of the Bizen Province historically, which ended in 1871.
- The city's coat of arms and flag are available on Wikimedia Commons.
- Okayama is known for the Okayama dialect.
- The city is associated with traditional foods like Kibi dango and Ōte Manjū.
- The city's mayor, Ōmori Masao, has been in office since October 9, 2013.
- Okayama is located near Kurashiki to the west and Tamano to the south.
- The city is part of the Seto Inland Sea region and is adjacent to Kojima Bay and the Asahi River.
- Okayama is served by OpenStreetMap relation ID 3939644 and has a corporate number of 5000020331007 in Japan.
- The city is part of the New World Encyclopedia and is indexed in databases like WorldCat and Getty Thesaurus.
- Okayama has a nighttime view captured in 2014 and aerial views from 2007 and 2014.
- The city is part of the Chugoku region and is associated with Okayama 1st and 2nd electoral districts.
- Okayama has a rich history of municipal mergers, including with Mino (1921) and Mitsu (2005).
- The city is part of the iNaturalist database with place ID 34540.
- Okayama is part of the gran enciclopèdia catalana with ID okayama-0.
- The city is part of the Japan Search database with name ID 岡山市.
- Okayama is part of the Michelin Voyages guide for travel.
- The city is part of the Taste Atlas with ID okayama.
- Okayama is part of the Naver Encyclopedia with ID 1128582.
- The city is part of the OpenWeatherMap database with city ID 1854383.
- Okayama is part of the ArchInform database with location ID 1187.
- The city is part of the Social Media Index with YouTube channel ID UCdJeIpUefrm42zfR8c59QpQ.
- Okayama is part of the Google News Topics database with ID CAAqIggKIhxDQkFTRHdvSkwyMHZNR2R3TlcxNUVnSnFZU2dBUAE.
- The city is part of the National Library of Israel with J9U ID 987007550221005171.
- Okayama is part of the U.S. National Archives with identifier 10044795.
- The city is part of the Great Russian Encyclopedia with ID 2290454.
- Okayama is part of the Thesaurus Linguae Aegyptiae with ID XQLUWI6RZZDH3NLHR63HQ4V6GE.
- The city is part of the Getty Thesaurus of Geographic Names with ID 7004752.
- Okayama is part of the Online PWN Encyclopedia with ID 3950434.
- The city is part of the Museum Digital database with place ID 23657.
- Okayama is part of the gran enciclopèdia catalana (former scheme) with ID 0046970.
- The city is part of the Brockhaus and Efron Encyclopedic Dictionary.
- Okayama is part of the New Encyclopedic Dictionary.
- The city is part of the Quora topic "Okayama-Japan."
- Okayama is part of the NamuWiki database with ID 오카야마시.
- The city is part of the Larousse database with ID ville/Okayama/135980.
- Okayama is part of the BabelNet database with ID 03533218n.
- The city is part of the Freebase database with ID /m/0gp5my.
- Okayama is part of the NDL Authority database with ID 00259336.
- The city is part of the NACISI-CAT database with ID DA03526910.
- Okayama is part of the FAST database with ID 1208850.
- The city is part of the GND database with ID 4102047-9.
- Okayama is part of the Geonames database with ID 1854380.
- The city is part of the VIAF database with ID 254704805.
- Okayama is part of the Dantai Code database with ID 331007.
- The city is part of the Who's On First database with ID 102031457.
- Okayama is part of the SNARC database with ID Darmstadt.
- The city is part of the Geolod database with ID mwIarB.
- Okayama is part of the Routard.com database with place ID 6179.
- The city is part of the OpenCorporates database with ID jp/5000020331007.
- Okayama is part of the Treccani database with ID okayama.
- The city is part of the Niconico Encyclopedia with ID 岡山市.
- Okayama is part of the Cinii Research database with ID 1140563741711266048.
- The city is part of the Facebook database with location ID 1854380.
- Okayama is part of the Google Play Store with ID Okayama.
- The city is part of the GitHub topic "okayama."
- Okayama is part of the gran enciclopèdia catalana with ID okayama-0.
- The city is part of the gran enciclopèdia catalana (former scheme) with ID 0046970.
- Okayama is part of the OpenWeatherMap database with city ID 1854383.
- The city is part of the gran enciclopèdia catalana (former scheme) with ID 0046970.
- Okayama is part of the gran enciclopèdia catalana with ID okayama-0.
- The city is part of the gran enciclopèdia catalana (former scheme) with ID 0046970.
- Okayama is part of the gran enciclopèdia catalana with ID okayama-0.
- The city is part of the gran enciclopèdia catalana (former scheme) with ID 0046970.
- Okayama is part of the gran enciclopèdia catalana with ID okayama-0.
- The city is part of the gran enciclopèdia catalana (former scheme) with ID 0046970.
- Okayama is part of the gran enciclopèdia catalana with ID okayama-0.
- The city is part of the gran enciclopèdia catalana (former scheme) with ID 0046970.

## FAQs
### What is the history of Okayama?
Okayama was officially established on June 1, 1889. It has undergone numerous municipal mergers, including with Mino in 1921 and Mitsu in 2005. The city has evolved from historical Bizen Province into its current form within Okayama Prefecture.

### What is the population and area of Okayama?
Okayama covers 789 square kilometers and had a population of 720,043 as of March 1, 2021. The city is divided into four wards: Kita-ku, Naka-ku, Higashi-ku, and Minami-ku.

### What are the official symbols of Okayama?
The official symbols include the chrysanthemum flower, Ilex rotunda tree, Lagerstroemia indica flowering tree, and the Red-crowned Crane as the bird. The city's anthem is "Okayama Shiminka," adopted in 1958.

### What is the government structure of Okayama?
Okayama is a "city designated by government ordinance" since April 1, 2009. The city's mayor is Ōmori Masao, who has been in office since October 9, 2013. The city operates under the legislative body Q28082923.

### What are the cultural and natural features of Okayama?
Okayama is known for its Okayama dialect and traditional foods like Kibi dango and Ōte Manjū. The city is part of the Seto Inland Sea region and is adjacent to Kojima Bay and the Asahi River.

### What is the significance of Okayama's location and infrastructure?
Okayama is located in the Okayama Plain and borders cities like Kurashiki to the west and Tamano to the south. The city is part of the Chugoku region and is served by OpenStreetMap relation ID 3939644.

### What are the digital and social media aspects of Okayama?
Okayama has a verified Twitter account (Okayama_city) and an official YouTube channel (UCdJeIpUefrm42zfR8c59QpQ). The city is part of the Google News Topics database and has a presence on Facebook (ID 518279998203347).

### What are the international and cultural connections of Okayama?
Okayama is twinned with cities like San Jose, Bucheon, and Plovdiv. The city is part of the Michelin Voyages guide and Taste Atlas with ID okayama. It is also part of the Naver Encyclopedia and the Online PWN Encyclopedia.

## Why It Matters
Okayama plays a central role in the Chugoku region of Japan as a government-designated city and prefectural capital. Its rich history, cultural identity, and modern infrastructure make it a significant urban center. The city's integration of historical preservation with contemporary governance and digital engagement highlights its importance in both regional and national contexts.

## Notable For
- Being a government-designated city since 2009.
- Its role as the prefectural capital of Okayama Prefecture.
- Hosting significant cultural landmarks like Momotaro Arena.
- Its unique official symbols: chrysanthemum, Ilex rotunda, and Red-crowned Crane.
- A strong digital presence with verified social media accounts and YouTube channel.
- Twinned with international cities like San Jose and Plovdiv.
- Hosting traditional foods like Kibi dango and Ōte Manjū.
- A rich history of municipal mergers and administrative evolution.

## Body

### History
Okayama was officially founded on June 1, 1889. The city has undergone numerous municipal mergers, including with Mino in 1921 and Mitsu in 2005. It evolved from historical Bizen Province, which ended in 1871, into its current form within Okayama Prefecture.

### Government and Administration
Okayama is a "city designated by government ordinance" since April 1, 2009. The city's mayor, Ōmori Masao, has been in office since October 9, 2013. The city operates under the legislative body Q28082923 and is part of the Dantai Code database with ID 331007.

### Geography and Demographics
Okayama covers 789 square kilometers and had a population of 720,043 as of March 1, 2021. The city is divided into four wards: Kita-ku, Naka-ku, Higashi-ku, and Minami-ku. It is located in the Okayama Plain and borders the Seto Inland Sea.

### Culture and Identity
Okayama is known for its Okayama dialect and traditional foods like Kibi dango and Ōte Manjū. The city's official symbols include the chrysanthemum flower, Ilex rotunda tree, Lagerstroemia indica flowering tree, and the Red-crowned Crane as the bird. The city is part of the Seto Inland Sea region and is adjacent to Kojima Bay and the Asahi River.

### Infrastructure and Digital Presence
Okayama has a verified Twitter account (Okayama_city) and an official YouTube channel (UCdJeIpUefrm42zfR8c59QpQ). The city is part of the Google News Topics database and has a presence on Facebook (ID 518279998203347). The city's official website is https://www.city.okayama.jp/, in Japanese.

### International and Cultural Connections
Okayama is twinned with cities like San Jose, Bucheon, and Plovdiv. The city is part of the Michelin Voyages guide and Taste Atlas with ID okayama. It is also part of the Naver Encyclopedia and the Online PWN Encyclopedia.

## References

1. [Source](https://www.plovdiv.bg/en/about-plovdiv/побратимени-градове/)
2. archINFORM
3. Virtual International Authority File
4. CiNii Research
5. Freebase Data Dumps. 2013
6. Czech National Authority Database
7. MusicBrainz
8. [統計分析課 - 岡山県ホームページ](https://www.pref.okayama.jp/soshiki/15/)
9. [System of Social and Demographic Statistics of Japan - Total population (Both sexes). Statistics Japan](https://www.e-stat.go.jp/en/regional-statistics/ssdsview/municipality)
10. GeoNames
11. [Source](https://www.city.okayama.jp/shisei/0000020681.html)
12. [Source](https://www.city.okayama.jp/shisei/0000020683.html)
13. [archINFORM](https://www.archinform.net/service/wd_aiort.php)
14. [iNaturalist](https://www.inaturalist.org/places/inaturalist-places.csv.zip)
15. Name Suggestion Index
16. YouTube API
17. GeoLOD