Kocaeli Province

province in northwestern Turkey
Place province_of_turkey Q83965
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Summary

Kocaeli Province is a province of Turkey[1]. It ranks in the top 6% of province of turkey entities by monthly Wikipedia readership (1,801 views/month).[2]

Key Facts

  • Located in the administrative territorial entity: Turkey[3]
  • Country: Turkey[4]
  • Located in or next to body of water: Black Sea[5], Sea of Marmara[6]
  • Continent: Asia[7]
  • Instance of: metropolitan municipality in Turkey[8]
  • Capital: İzmit[9]
  • Official language: Turkish[10]
  • Shares border with: Istanbul Province[11], Bursa Province[12], Sakarya Province[13], Yalova Province[14]
  • Contains the administrative territorial entity: Derince[15], Gebze[16], Gölcük[17], İzmit[18], Kandıra district[19], Karamürsel district[20], Körfez[21], Kartepe[22], Başiskele[23], Çayırova district[24], Dilovası district[25], Darıca district[26], Derince district[27], Körfez district[28]
  • Postal code: 41000–41999[29]
  • Part of: Marmara Region[30], Kocaeli Subregion[31]
  • Commons category: Kocaeli Province[32]
  • Licence plate code: 41[33]
  • Local dialing code: 262[34]
  • Inception: 1327[35]
  • Official website: http://www.kocaeli.gov.tr/[36]
  • Topic's main category: Category:Kocaeli Province[37]
  • Population: 1,906,391[38], 1,953,035[39], 1,851,790[40]
  • Office held by head of government: Governor of Kocaeli Province[41]
  • Described by source: Kocaeli Ansiklopedisi[42]
  • Official name: Kocaeli[43]
  • Category for people born here: Category:Births in Kocaeli Province[44]
  • Category for people who died here: Q32721458[45]
  • Number of households: 650,469[46]
  • Female population: 917,236[47]

Why It Matters

Kocaeli Province has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[48] It is known by 45 alternative names across languages and contexts.[49]

References

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

Direct Wikidata claims

  1. [4] ↑ . archINFORM. Retrieved . statoids.com. Provenance: wikidata.org.
  2. [7] ↑ . britannica.com. britannica.com. Provenance: wikidata.org.
  3. [8] ↑ . wikidata.org.
  4. [9] ↑ . wikidata.org.
  5. [10] ↑ . britannica.com. britannica.com. Provenance: wikidata.org.
  6. [11] ↑ . islamansiklopedisi.org.tr. islamansiklopedisi.org.tr. Provenance: wikidata.org.
  7. [12] ↑ . islamansiklopedisi.org.tr. islamansiklopedisi.org.tr. Provenance: wikidata.org.
  8. [13] ↑ . islamansiklopedisi.org.tr. islamansiklopedisi.org.tr. Provenance: wikidata.org.
  9. [14] ↑ . islamansiklopedisi.org.tr. islamansiklopedisi.org.tr. Provenance: wikidata.org.
  10. [3] ↑ . e-icisleri.gov.tr. e-icisleri.gov.tr. Provenance: wikidata.org.
  11. [15] ↑ . wikidata.org.
  12. [16] ↑ . wikidata.org.
  13. [17] ↑ . wikidata.org.
  14. [18] ↑ . wikidata.org.
  15. [19] ↑ . harita.gov.tr. harita.gov.tr. Provenance: wikidata.org.
  16. [20] ↑ . harita.gov.tr. harita.gov.tr. Provenance: wikidata.org.
  17. [21] ↑ . wikidata.org.
  18. [22] ↑ . wikidata.org.
  19. [23] ↑ . wikidata.org.
  20. [24] ↑ . harita.gov.tr. harita.gov.tr. Provenance: wikidata.org.
  21. [25] ↑ . harita.gov.tr. harita.gov.tr. Provenance: wikidata.org.
  22. [26] ↑ . harita.gov.tr. harita.gov.tr. Provenance: wikidata.org.
  23. [27] ↑ . harita.gov.tr. harita.gov.tr. Provenance: wikidata.org.
  24. [28] ↑ . harita.gov.tr. harita.gov.tr. Provenance: wikidata.org.
  25. [5] ↑ . wikidata.org.
  26. [6] ↑ . islamansiklopedisi.org.tr. islamansiklopedisi.org.tr. Provenance: wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.
  29. [31] ↑ . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . Encyclopaedia of Islam, 3rd edition. wikidata.org.
  34. [36] ↑ . wikidata.org.
  35. [37] ↑ . wikidata.org.
  36. [38] ↑ . turkstat.gov.tr. Retrieved . turkstat.gov.tr. Provenance: wikidata.org.
  37. [39] ↑ . kocaeli.bel.tr. kocaeli.bel.tr. Provenance: wikidata.org.
  38. [40] ↑ . Turkish Statistical Institute. data.tuik.gov.tr. Provenance: wikidata.org.
  39. [41] ↑ . tbb.gov.tr. tbb.gov.tr. Provenance: wikidata.org.
  40. [42] ↑ . wikidata.org.
  41. [43] ↑ . wikidata.org.
  42. [44] ↑ . wikidata.org.
  43. [45] ↑ . wikidata.org.
  44. [46] ↑ . nip.tuik.gov.tr. nip.tuik.gov.tr. Provenance: wikidata.org.
  45. [47] ↑ . Turkish Statistical Institute. data.tuik.gov.tr. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [48] ↑ . Wikidata sitelinks. wikidata.org.
  3. [49] ↑ . Wikidata aliases. wikidata.org.

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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). Kocaeli Province. Retrieved October 10, 2026, from https://4ort.xyz/entity/kocaeli-province
MLA “Kocaeli Province.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Oct. 2026, https://4ort.xyz/entity/kocaeli-province.
BibTeX @misc{4ortxyz_kocaeli-province_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kocaeli Province}}, year = {2026}, url = {https://4ort.xyz/entity/kocaeli-province}, note = {Accessed: 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. 21w ago · KrBot bot · 2026-05-16 view diff on Wikidata ↗
    Contains the administrative territorial entity → Derince, Gebze, Gölcük +17
    "/* wbsetclaimvalue:1| */ Contains the administrative territorial entity: Q16468576, разрешение перенаправления / resolving redirect Kartepe district → Q16468576 ([[:toollabs:editgroups/b/KrBotResolvin"
  2. 22w ago · Quesotiotyo · 2026-05-04 view diff on Wikidata ↗
    Official language → —
    Elevation above sea level → {'unit': 'Q11573', 'amount': '+3'}
    Language used → Laz, Turkish
    Instance of → —
    + 52 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Turkey province id: 41, [[:toollabs:quickstatements/#/batch/257264|batch #257264]]"
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