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Okayama Prefecture

prefecture of Japan
Organization prefecture_of_japan Q132936
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Summary

Okayama Prefecture is a prefecture of Japan[1]. It draws 5,666 Wikipedia views per month (prefecture of japan category, ranking #35 of 49).[2]

Key Facts

  • Located in the administrative territorial entity: Japan[3]
  • Country: Japan[4]
  • Located in or next to body of water: Seto Inland Sea[5]
  • Head of government: Ryūta Ibaragi[6]
  • Capital: Okayama[7]
  • Shares border with: Hiroshima Prefecture[8], Tottori Prefecture[9], Hyōgo Prefecture[10], Kagawa Prefecture[11]
  • Anthem: Okayama-ken no Uta[12]
  • Named after: Okayama[13]
  • Contains the administrative territorial entity: Okayama[14], Kurashiki[15], Tsuyama[16], Tamano[17], Kasaoka[18], Ibara[19], Sōja-shi[20], Takahashi[21], Niimi[22], Bizen[23], Setouchi[24], Akaiwa[25], Maniwa[26], Mimasaka[27]
  • Flag: flag of Okayama prefecture[28]
  • Twinned administrative body: Jiangxi[29], South Australia[30], Pune[31], Pimpri-Chinchwad[32], South Gyeongsang[33]
  • Legislative body: Okayama Prefectural Assembly[34]
  • Executive body: Okayama prefectural government[35]
  • Postal code: 700-8570[36]
  • Commons category: Okayama prefecture[37]
  • Located in time zone: UTC+09:00[38], Japan Standard Time[39]
  • Inception: August 29, 1871[40]
  • Highest point: Mount Ushiro[41]
  • Coordinate location: 34.66166666666667, 133.93472222222223[42]
  • Mascot: Momochi[43]
  • Official website: https://www.pref.okayama.jp/[44], https://www.pref.okayama.jp/page/298932.html[45], https://www.pref.okayama.jp/page/298933.html[46], https://www.pref.okayama.jp/page/298936.html[47]
  • Topic's main category: Category:Okayama Prefecture[48]
  • Commons gallery: Okayama prefecture[49]

Body

Brands and Namesakes

Things named for Okayama Prefecture include okayamalite[50], a mineral species[51].

Why It Matters

Okayama Prefecture has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[52] It is known by 47 alternative names across languages and contexts.[53]

Entities named for it include okayamalite[50], a mineral species[51].

Related Entities

Chugoku Gakuen University Govdirectory Japan Kawasaki Medical School Kawasaki University of Medical Welfare Kurashiki Sakuyo University Kurashiki University of Science and the Arts Mimasaka University Niimi College Notre Dame Seishin University Okayama Okayama Gakuin University Okayama Healthcare Professional University Okayama Prefectural University Okayama Shoka University Okayama University Okayama University of Science Saint-Lupien Sanyo Gakuen University Yasuo Takamori Yuka Kado

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [6] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [7] ↑ . wikidata.org.
  4. [8] ↑ . wikidata.org.
  5. [9] ↑ . wikidata.org.
  6. [10] ↑ . wikidata.org.
  7. [11] ↑ . wikidata.org.
  8. [12] ↑ . wikidata.org.
  9. [3] ↑ . wikidata.org.
  10. [13] ↑ . wikidata.org.
  11. [14] ↑ . wikidata.org.
  12. [15] ↑ . wikidata.org.
  13. [16] ↑ . wikidata.org.
  14. [17] ↑ . wikidata.org.
  15. [18] ↑ . wikidata.org.
  16. [19] ↑ . wikidata.org.
  17. [20] ↑ . wikidata.org.
  18. [21] ↑ . wikidata.org.
  19. [22] ↑ . wikidata.org.
  20. [23] ↑ . wikidata.org.
  21. [24] ↑ . wikidata.org.
  22. [25] ↑ . wikidata.org.
  23. [26] ↑ . wikidata.org.
  24. [27] ↑ . wikidata.org.
  25. [28] ↑ . wikidata.org.
  26. [29] ↑ . wikidata.org.
  27. [30] ↑ . wikidata.org.
  28. [31] ↑ . wikidata.org.
  29. [32] ↑ . wikidata.org.
  30. [33] ↑ . wikidata.org.
  31. [34] ↑ . wikidata.org.
  32. [5] ↑ . wikidata.org.
  33. [35] ↑ . wikidata.org.
  34. [36] ↑ . wikidata.org.
  35. [37] ↑ . wikidata.org.
  36. [38] ↑ . wikidata.org.
  37. [39] ↑ . wikidata.org.
  38. [40] ↑ . wikidata.org.
  39. [41] ↑ . wikidata.org.
  40. [42] ↑ . wikidata.org.
  41. [43] ↑ . wikidata.org.
  42. [44] ↑ . wikidata.org.
  43. [45] ↑ . wikidata.org.
  44. [46] ↑ . wikidata.org.
  45. [47] ↑ . wikidata.org.
  46. [48] ↑ . wikidata.org.
  47. [49] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [50] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [51] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [52] ↑ . Wikidata sitelinks. wikidata.org.
  3. [53] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Okayama Prefecture. Retrieved October 10, 2026, from https://4ort.xyz/entity/okayama-prefecture
MLA “Okayama Prefecture.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Oct. 2026, https://4ort.xyz/entity/okayama-prefecture.
BibTeX @misc{4ortxyz_okayama-prefecture_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Okayama Prefecture}}, year = {2026}, url = {https://4ort.xyz/entity/okayama-prefecture}, note = {Accessed: 2026-10-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Okayama Prefecture — https://4ort.xyz/entity/okayama-prefecture (retrieved 2026-10-10)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 23d ago · ならちゃん · 2026-09-19 view diff on Wikidata ↗
    Nhk one news topic id → E0000000361
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/54972|batch #54972]]"
  2. 4w ago · Bischrob · 2026-09-10 view diff on Wikidata ↗
    Sociomap id → SM454384
    "/* wbcreateclaim-create:1| */ Sociomap id: SM454384, #quickstatements; #temporary_batch_1789071553872"
  3. 13w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Named after → Okayama
    Located in or next to body of water → Seto Inland Sea
    Office held by head of government → governor of Okayama Prefecture
    Official website → https://www.pref.okayama.jp/, https://www.pref.okayama.jp/page/298932.html, https://www.pref.okayama.jp/page/298933.html +1
    + 47 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
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