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Okayama Prefecture

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Okayama Prefecture

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prefecture of Japan

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

Official website

岡山県ホームページ トップページ

岡山県のホームページです。県民のみなさんに役立つ情報を発信しています。

pref.okayama.jp

Link to the official site · 7,613 chars · not written by Vinony

~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.

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