istanbul

Istanbul is the largest city in Turkey, constituting the country's economic, cultural, and historical center. With a population over 15 million, it is home to 18% of the population... Wikipedia

Region: Marmara
Province: Istanbul
Provincial seat: Cağaloğlu, Fatih
Districts: 39
Type: Mayor–council government
Body: Municipal Council of Istanbul
Mayor: Nuri Aslan (acting) (CHP)
Population (31 December 2025): 15,754,053
Rank: 1st in Turkey and Europe, 8th in Asia
Urban: 15,382,791
Demonym(s): Istanbulite
Time zone: TRT (UTC+3)
Postal code: 34000 to 34990
ISO 3166 code: TR-34
Vehicle registration: 34
HDI (2022): 0.888 (very high) · 1st
Climate: Hot-summer Mediterranean climate (Csa)
GeoTLD: ist.istanbul
Website: ibb.istanbul, istanbul.gov.tr
Data source: DuckDuckGo