Map of Karasu Mahallesi, Turkey

Karasu Mahallesi is a city in Sakarya, Turkey, with a population of about 39,508. It lies at 41.0710°N, 30.7854°E. Karasu Mahallesi is about 217 km (135 mi) northwest of Ankara, the capital. The nearest city on our map is Akçakoca, 28 km to the east.

Karasu Mahallesi at a glance

Where is Karasu Mahallesi?

• The 2nd largest city in Sakarya on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 13 min on the shortest day to 15 h 08 min on the longest day (around 21 December and 21 June).

Cities near Karasu Mahallesi

• Akçakoca — 28 km east
• Hendek — 30 km south
• Düzce — 41 km southeast
• Adapazarı — 46 km southwest
• Ereğli — 58 km northeast
• Bolu — 78 km southeast
• İzmit — 80 km southwest
• Derince — 89 km southwest
• Gölcük — 90 km southwest
• Körfez — 91 km west

Largest cities in Sakarya

• Adapazarı — 286,787
• Hendek — 35,257

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.