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Okayama Prefecture
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OverviewAI-generated
Okayama Prefecture is an active administrative facility located in Japan, with its seat in the city of Okayama. The prefecture was established on August 29, 1871. It covers a total area of 7113.21, of which 0.3 percent is water. The population is 1878884. The name in kana is written as おかやまけん.
The official postal code for the prefecture is 700-8570. Its official website provides information for residents, described as a homepage for Okayama Prefecture. The subject is referenced by 1,908 other encyclopedia articles.
Synthesized by Vinony from 24 facts across 4 sources: Wikidata, Firecrawl, ROR, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.
Research organization · ROR
- Type
- Facility
- Location
- Okayama, Japan
- Status
- Active
GRID grid.505727.2 · ISNI 0000 0004 0404 2996
Wikidata facts
- Instance of
- prefecture of Japan
- Named after
- Okayama
- Country
- Japan
- Located in
- Japan
- Contains
- Asakuchi
- Capital
- Okayama
- Population
- 1878884
- Area
- 7113.21
- Time zone
- UTC+09:00
- Body of water
- Seto Inland Sea
- Head of government
- Ryūta Ibaragi
- Shares border with
- Kagawa Prefecture
- Highest point
- Mount Ushiro
- Official website
- www.pref.okayama.jp/page/298936.html
- Image
- Okayama Castle, November 2016 -02.jpg
Show 16 more facts
- Commons category
- Okayama prefecture
- topic's main category
- Category:Okayama Prefecture
- category for people born here
- Category:Births in Okayama prefecture
- category of associated people
- Category:People from Okayama Prefecture
- Commons gallery
- Okayama prefecture
- twinned administrative body
- South Gyeongsang
- native label
- 岡山県
- water as percent of area
- 0.3
- name in kana
- おかやまけん
- official symbol
- Green Pheasant
- territory overlaps
- Kibi Province
- postal code
- 700-8570
- topic has template
- Template:Okayama
- OpenStreetMap zoom level
- 7
- associated electoral district
- Okayama 5th district
- inception
- 1871-08-29
Sources (12)
via Wikidata · CC0
~7 min read
Encyclopedic overview
Okayama Prefecture (岡山県, Okayama-ken; Japanese pronunciation: [o.kaꜜ.ja.ma, o.ka.ja.maꜜ.keɴ]) is a prefecture of Japan located in the Chūgoku region of Honshu. Okayama Prefecture has a population of 1,815,165 (1 October 2025) and has a geographic area of 7,114 km (2,746 sq mi). Okayama Prefecture borders Tottori Prefecture to the north, Hyōgo Prefecture to the east, and Hiroshima Prefecture to the west.
Okayama is the capital and largest city of Okayama Prefecture, with other major cities including Kurashiki, Tsuyama, and Sōja. Okayama Prefecture's south is located on the Seto Inland Sea coast across from Kagawa Prefecture on the island of Shikoku, which are connected by the Great Seto Bridge, while the north is characterized by the Chūgoku Mountains.
Excerpted from Wikipedia’s “Okayama Prefecture” article, available under the CC BY-SA 4.0 licence.
Gallery (12)
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