Kayabaşı, Başakşehir

Kayabaşı
Ayayorgi
Kayabaşı
Location in Turkey
Kayabaşı
Kayabaşı (Istanbul)
Coordinates: 41°07′N 28°44′E / 41.117°N 28.733°E / 41.117; 28.733
CountryTurkey
ProvinceIstanbul
DistrictBaşakşehir
Government
  MuhtarDoğan Azat
Elevation
120 m (390 ft)
Population
 (2022)
111,395
Time zoneUTC+3 (TRT)
Postal code
34494
Area code0212
Websitewww.kayabasimahallesi.com

Kayabaşı is a neighbourhood in the municipality and district of Başakşehir, Istanbul Province, Turkey. Its population is 111,395 (2022). It was formerly known as Ayayorgi (from Greek: Άγιος Γεώργιος, "St. George") and Azatlı until the Greco-Turkish population exchange of 1923.

Kayabaşı was a district of Bakırköy until 1987 then it was a quarter of Küçükçekmece where was a part of the Çatalca kaza until 1908. By the last change of administrative division of İstanbul in 2009 it is a quarter of Başakşehir.