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Kocaeli
Province and metropolitan municipality
Selim Sırrı Paşa Mansion in İzmit
Location of the province within Turkey
Country	Turkey
Seat	İzmit
Government
• Mayor	Tahir Büyükakın (AK Party)
• Vali	Seddar Yavuz
Area	3,397 km (1,312 sq mi)
Population	2,102,907
• Density	620/km (1,600/sq mi)
Time zone	UTC+3 (TRT)
Area code	0262
Website	www.kocaeli.bel.tr www.kocaeli.gov.tr

Kocaeli Province (Turkish: Kocaeli ili, pronounced [koˈdʒaeli]) is a province and metropolitan municipality of Turkey and one of only three not to have the same official name as its capital, İzmit, which is thus also sometimes called Kocaeli. Its area is 3,397 km, and its population is 2,102,907 (2023). The province is the successor of the Ottoman-era Sanjak of Kocaeli. The largest towns in the province are İzmit and Gebze. The traffic code is 41. The province is located at the easternmost end of the Sea of Marmara around the Gulf of İzmit. Kocaeli is bordered by the province of Istanbul and the Marmara Sea to the west, the Black Sea to the north, the province of Sakarya to the east, the province of Bursa to the south and the province of Yalova to the southwest. The metropolitan area of Istanbul extends to the Kocaeli-Istanbul provincial border. The size and natural conditions of the Bay of İzmit allow for extensive port facilities, including the Gölcük Naval Base. The province is called the industrial capital of Turkey. Kocaeli has an airport named Cengiz Topel Naval Air Station which is used for military and civilian transport. Kocaeli has three universities: Kocaeli University, Gebze Technical University and Kocaeli Health and Technology University.

Demographics

Data taken from Kocaeli Metropolitan Municipality and Central Dissemination System. The information is for (xxxx-12-31).

Districts

Kocaeli province is divided into 12 districts:

• Başiskele
• Çayırova
• Darıca
• Derince
• Dilovası
• Gebze
• Gölcük
• İzmit
• Kandıra
• Karamürsel
• Kartepe
• Körfez

Mayors of Kocaeli Metropolitan Municipality

• 1977-1980 Erol Köse CHP
• 1984-1989 Necati Gençoğlu ANAP
• 1989-2002 Sefa Sirmen SHP, CHP
• 2002-2004 Hikmet Erenkaya CHP
• 2004-2019 İbrahim Karaosmanoğlu AK Party
• 2019-present Tahir Büyükakın AK Party

Twin cities

• Kassel, Germany
• Novi Pazar, Serbia

See also

• East Marmara Region
• Kocaeli University
• Pişmaniye
• Provinces of Turkey

References

1. ^ "Address-based population registration system (ADNKS) results dated 31 December 2023, Favorite Reports" (XLS). TÜİK. Retrieved 3 October 2024.
2. "İl ve İlçe Yüz ölçümleri". General Directorate of Mapping. Retrieved 19 September 2023.
3. "Population of Districts by Year and Dependency Ratio". Kocaeli Metropolitan Municipality. Retrieved 2015-07-29.
4. "Central Dissemination System". Turkish Statistical Institute. Retrieved 2016-02-13.
5. Büyükşehir İlçe Belediyesi, Turkey Civil Administration Departments Inventory. Retrieved 19 September 2023.

External links

Media related to Kocaeli Province at Wikimedia Commons

• Official website (in Turkish)
• Kocaeli municipality's official website (in Turkish and English)
• Kocaeli Etkinlik (in Turkish)
• Kocaeli Gazetesi ve Haberleri (in Turkish)

v t e Kocaeli Province of Turkey
Districts	Başiskele Çayırova Darıca Derince Dilovası Gebze Gölcük İzmit Kandıra Karamürsel Kartepe Körfez
List of provinces by region Istanbul Istanbul West Marmara Balıkesir Çanakkale Edirne Kırklareli Tekirdağ Aegean Afyonkarahisar Aydın Denizli İzmir Kütahya Manisa Muğla Uşak East Marmara Bilecik Bolu Bursa Düzce Eskişehir Kocaeli Sakarya Yalova West Anatolia Ankara Karaman Konya Mediterranean Adana Antalya Burdur Hatay Isparta Kahramanmaraş Mersin Osmaniye Central Anatolia Aksaray Kayseri Kırıkkale Kırşehir Nevşehir Niğde Sivas Yozgat West Black Sea Amasya Bartın Çankırı Çorum Karabük Kastamonu Samsun Sinop Tokat Zonguldak East Black Sea Artvin Giresun Gümüşhane Ordu Rize Trabzon Northeast Anatolia Ağrı Ardahan Bayburt Erzincan Erzurum Iğdır Kars Central East Anatolia Bingöl Bitlis Elazığ Hakkâri Malatya Muş Tunceli Van Southeast Anatolia Adıyaman Batman Diyarbakır Gaziantep Kilis Mardin Siirt Şanlıurfa Şırnak
Metropolitan municipalities are bolded.

40°51′07″N 29°52′41″E / 40.852°N 29.878°E / 40.852; 29.878

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