About Sultanbeyli
Sultanbeyli is a city in Istanbul, Turkey with a population of 358,201. It is the 40th largest of the 416 cities of 15,000 or more listed in Turkey, and the 1,591st largest worldwide. It lies 325 km from Ankara.
Key Facts
Country
Region
Rank in region
#14of 30
Elevation
151 m
Approximate — modelled, not surveyed
Time zone
Europe/Istanbul
Coordinates
40.961, 29.271
Record updated
2026-06-22
Entry edited, not measured
City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured. Elevation is modelled from a digital elevation model rather than surveyed, so it is approximate.
Nearby Cities
All 416 in TurkeyClosest listed cities by great-circle distance from the city centre.