Oka

river in Russia, tributary of Volga
Place river Q172089
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Summary

Oka is a river[1]. Oka ranks in the top 2% of river entities by monthly Wikipedia readership (2,694 views/month).[2]

Key Facts

  • Located in the administrative territorial entity: Oryol Oblast[3], Tula Oblast[4], Moscow Oblast[5], Ryazan Oblast[6], Vladimir Oblast[7], Nizhny Novgorod Oblast[8], Kaluga Oblast[9]
  • Country: Russia[10], Soviet Union[11], Russian Empire[12]
  • Basin country: Russia[13]
  • Commons category: Oka River[14]
  • Mouth of the watercourse: Volga[15]
  • Topic's main category: Category:Oka River[16]
  • Tributary: Ugra[17], Zhizdra[18], Protva[19], Nara[20], Moskva River[21], Pra[22], Klyazma[23], Upa[24], Osyotr[25], Pronya[26], Para[27], Moksha[28], Tyosha[29], Yachenka[30]

Body

Cultural Significance

Things named for Oka include OTR-23 Oka[31], a missile model[32]; Upper Oka Principality[33], in Grand Duchy of Lithuania[34], founded in 1402[35]; Oksky Nature Reserve[36], a protected area of Russia[37], in Russia[38], founded in 1935[39]; Prioksky City District[40], a city district of Nizhny Novgorod[41], in Russia[42], founded in 1935[43]; and 16494 Oka[44], an asteroid[45].

Why It Matters

Oka has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[46] Oka is known by 27 alternative names across languages and contexts.[47]

Entities named for Oka include OTR-23 Oka[31], a missile model[32]; Upper Oka Principality[33], in Grand Duchy of Lithuania[34], founded in 1402[35]; Oksky Nature Reserve[36], a protected area of Russia[37], in Russia[38], founded in 1935[39]; Prioksky City District[40], a city district of Nizhny Novgorod[41], in Russia[42], founded in 1935[43]; and 16494 Oka[44], an asteroid[45].

References

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

Direct Wikidata claims

  1. [10] ↑ . wikidata.org.
  2. [11] ↑ . wikidata.org.
  3. [12] ↑ . Q24817837. wikidata.org.
  4. [3] ↑ . wikidata.org.
  5. [4] ↑ . wikidata.org.
  6. [5] ↑ . wikidata.org.
  7. [6] ↑ . wikidata.org.
  8. [7] ↑ . wikidata.org.
  9. [8] ↑ . wikidata.org.
  10. [9] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . Q24817837. wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [31] ↑ . wikidata.org. → on this site
  2. [33] ↑ . wikidata.org. → on this site
  3. [36] ↑ . wikidata.org. → on this site
  4. [40] ↑ . wikidata.org. → on this site
  5. [44] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [32] ↑ . Wikidata. wikidata.org. → on this site
  2. [34] ↑ . Wikidata. wikidata.org. → on this site
  3. [35] ↑ . Wikidata. wikidata.org. → on this site
  4. [37] ↑ . Wikidata. wikidata.org. → on this site
  5. [38] ↑ . Wikidata. wikidata.org. → on this site
  6. [39] ↑ . Wikidata. wikidata.org. → on this site
  7. [41] ↑ . Wikidata. wikidata.org. → on this site
  8. [42] ↑ . Wikidata. wikidata.org. → on this site
  9. [43] ↑ . Wikidata. wikidata.org. → on this site
  10. [45] ↑ . 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. [46] ↑ . Wikidata sitelinks. wikidata.org.
  3. [47] ↑ . 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). Oka. Retrieved October 10, 2026, from https://4ort.xyz/entity/oka
MLA “Oka.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Oct. 2026, https://4ort.xyz/entity/oka.
BibTeX @misc{4ortxyz_oka_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Oka}}, year = {2026}, url = {https://4ort.xyz/entity/oka}, note = {Accessed: 2026-10-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Oka — https://4ort.xyz/entity/oka (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. 13w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Topic's main category → Category:Oka River
    Length → {'unit': 'Q828224', 'amount': '+1500'}
    Mouth of the watercourse → Volga
    Coordinate location → {'lat': 52.3624, 'lon': 36.2223}, {'lat': 56.3328, 'lon': 43.9844}
    + 18 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.