Oka

river in Irkutsk Oblast, Russia
Place river Q288695
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Oka

Summary

Oka is a river[1]. Oka ranks in the top 2% of river entities by monthly Wikipedia readership (4 views/month).[2]

Key Facts

  • Oka is located in Irkutsk Oblast[3].
  • Oka is in the country of Russia[4].
  • Oka is in the country of Russian Empire[5].
  • Oka is in the country of Soviet Union[6].
  • Oka is on the continent of Asia[7].
  • Oka's instance of is recorded as river[8].
  • Oka's Commons category is recorded as Oka River (Siberia)[9].
  • Oka's mouth of the watercourse is recorded as Bratsk Reservoir[10].
  • Oka's coordinate location is recorded as {'lat': 55.515415, 'lon': 102.348404}[11].
  • Oka's coordinate location is recorded as {'lat': 51.917, 'lon': 100.6635}[12].
  • Oka's coordinate location is recorded as {'lat': 55.53, 'lon': 102.3453}[13].
  • Oka's coordinate location is recorded as {'lat': 55.4738, 'lon': 102.3517}[14].
  • Oka's tributary is recorded as Zhombolok[15].
  • Oka's tributary is recorded as Tissa[16].
  • Oka's tributary is recorded as Zima[17].
  • Oka's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[18].
  • Oka's described by source is recorded as New Encyclopedic Dictionary[19].
  • Oka's described by source is recorded as Small Brockhaus and Efron Encyclopedic Dictionary[20].
  • Oka's different from is recorded as Oka[21].
  • Oka's length is recorded as {'unit': 'Q828224', 'amount': '+630'}[22].
  • Oka's watershed area is recorded as {'unit': 'Q712226', 'amount': '+34000'}[23].
  • Oka's discharge is recorded as {'unit': 'Q794261', 'amount': '+274'}[24].
  • Oka's drainage basin is recorded as Yenisey basin[25].

Body

Geography

Country listings include Russia[4], a sovereign state[26], in Russia[27], founded in 1991[28]; Russian Empire[5], an empire[29], in Russian Empire[30], founded in 1721[31]; and Soviet Union[6], a federal republic[32], in Soviet Union[33], founded in 1922[34]. Oka is located in Irkutsk Oblast[3]. Oka is on the continent of Asia[7].

Physical Characteristics

Oka's length is recorded as {'unit': 'Q828224', 'amount': '+630'}[22].

Designation and Status

Oka's instance of is recorded as river[8].

Cultural Significance

Things named for Oka include Okinsky District[35], a municipal district[36], in Russia[37], founded in 1940[38].

Why It Matters

Oka ranks in the top 2% of river entities by monthly Wikipedia readership (4 views/month).[2] Oka has Wikipedia articles in 19 language editions, a strong signal of global cultural recognition.[39] Oka is known by 3 alternative names across languages and contexts.[40]

Entities named for Oka include Okinsky District[35], a municipal district[36], in Russia[37], founded in 1940[38].

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . Q24817837. wikidata.org.
  3. [6] . wikidata.org.
  4. [7] . wikidata.org.
  5. [8] . Q24817837. wikidata.org.
  6. [3] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . 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.

Inverse relationships (entities pointing at this one)

  1. [35] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [26] . Wikidata. wikidata.org. → on this site
  2. [27] . Wikidata. wikidata.org. → on this site
  3. [28] . Wikidata. wikidata.org. → on this site
  4. [29] . Wikidata. wikidata.org. → on this site
  5. [30] . Wikidata. wikidata.org. → on this site
  6. [31] . Wikidata. wikidata.org. → on this site
  7. [32] . Wikidata. wikidata.org. → on this site
  8. [33] . Wikidata. wikidata.org. → on this site
  9. [34] . Wikidata. wikidata.org. → on this site
  10. [36] . Wikidata. wikidata.org. → on this site
  11. [37] . Wikidata. wikidata.org. → on this site
  12. [38] . 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. [39] . Wikidata sitelinks. wikidata.org.
  3. [40] . 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 April 11, 2026, from https://4ort.xyz/entity/oka-q288695
MLA “Oka.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/oka-q288695.
BibTeX @misc{4ortxyz_oka-q288695_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Oka}}, year = {2026}, url = {https://4ort.xyz/entity/oka-q288695}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Oka — https://4ort.xyz/entity/oka-q288695 (retrieved 2026-04-11)

Canonical URL: https://4ort.xyz/entity/oka-q288695 · Last refreshed:

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. 25d ago · Nyuhn · 2026-05-09 view diff on Wikidata ↗
    Country Russia, Russian Empire, Soviet Union
    Discharge {'unit': 'Q794261', 'amount': '+274'}
    Coordinate location {'lat': 55.515415, 'lon': 102.348404}, {'lat': 51.917, 'lon': 100.6635}, {'lat': 55.53, 'lon': 102.3453} +1
    Coordinates
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30737|batch #30737]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.