Map of Hendek, Turkey

Hendek is a city in Sakarya, Turkey, with a population of about 35,257. It lies at 40.7994°N, 30.7481°E. Hendek is about 203 km (126 mi) northwest of Ankara, the capital. The nearest city on our map is Adapazarı, 29 km to the west.

Hendek at a glance

Where is Hendek?

• The 3rd largest city in Sakarya on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 14 min on the shortest day to 15 h 06 min on the longest day (around 21 December and 21 June).

Cities near Hendek

• Adapazarı — 29 km west
• Karasu Mahallesi — 30 km north
• Düzce — 35 km east
• Akçakoca — 44 km northeast
• İzmit — 69 km west
• Bolu — 73 km east
• Ereğli — 78 km northeast
• Derince — 79 km west
• Gölcük — 79 km west
• Körfez — 81 km west

Largest cities in Sakarya

• Adapazarı — 286,787
• Karasu Mahallesi — 39,508

Largest cities in Turkey

• Istanbul — 15,701,602
• Ankara — 3,517,182
• Bursa — 3,101,833
• İzmir — 2,938,292
• Gaziantep — 2,222,415
• Diyarbakır — 1,833,684
• Adana — 1,816,750
• Kayseri — 1,452,458
• Konya — 1,433,861
• Antalya — 1,335,002

Map of Turkey and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.