Büyükçekmece

Büyükçekmece
Aerial view
Map showing Büyükçekmece District in Istanbul Province
Büyükçekmece
Location in Turkey
Büyükçekmece
Büyükçekmece (Istanbul)
Coordinates: 41°01′12″N 28°34′39″E / 41.02000°N 28.57750°E / 41.02000; 28.57750
CountryTurkey
ProvinceIstanbul
Government
  MayorAhmet Şahin (acting) (CHP)
Area
173 km2 (67 sq mi)
Population
 (2022)
277,181
  Density1,600/km2 (4,100/sq mi)
Time zoneUTC+3 (TRT)
Postal code
34537
Area code0212
Websitewww.bcekmece.bel.tr

Büyükçekmece, historically Athyras (Greek: Αθύρας) is a municipality and district of Istanbul Province, Turkey. Its area is 173 km2, and its population is 277,181 (2022). It is on the Sea of Marmara coast of the European side, west of the city. It is largely an industrial area. The mayor is Ahmet Şahin (CHP).