Istanbul

İstanbul
• Metropolitan municipality15,029,231
• Rank1st in Turkey
• Metro density2,813/km2 (7,290/sq mi)
Demonym(s)Istanbulite
(Turkish: İstanbullu)
Time zoneUTC+3 (TRT)
Postal code
34000 to 34990
Area code(s)212 (European side)
216 (Asian side)
Vehicle registration34
Nominal GDP2017
- TotalUS$349 billion
- Per capitaUS$23,221
HDI (2017)0.812 – very high
GeoTLD.ist, .istanbul
Websiteibb.istanbul
www.istanbul.gov.tr