Map of Körfez, Turkey

Körfez is a city in Kocaeli, Turkey, with a population of about 90,580. It lies at 40.7670°N, 29.7828°E. Körfez is about 277 km (172 mi) west of Ankara, the capital. The nearest city on our map is Derince, 3 km to the southeast.

Körfez at a glance

Where is Körfez?

• The 4th largest city in Kocaeli on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 15 min on the shortest day to 15 h 06 min on the longest day (around 21 December and 21 June).

Cities near Körfez

• Derince — 3 km southeast
• Gölcük — 7 km southeast
• İzmit — 12 km east
• Gebze — 30 km west
• Yalova — 44 km west
• Sultanbeyli — 48 km northwest
• Orhangazi — 51 km southwest
• Adapazarı — 52 km east
• Sancaktepe — 53 km northwest
• Maltepe — 56 km west

Largest cities in Kocaeli

• Gebze — 281,436
• İzmit — 196,571
• Derince — 125,485
• Gölcük — 56,189

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.