Map of Bolu, Turkey

Bolu is the administrative centre of Bolu, Turkey, with a population of about 184,682. It lies at 40.7358°N, 31.6061°E. Bolu is about 139 km (87 mi) northwest of Ankara, the capital. The nearest city on our map is Düzce, 39 km to the west.

Bolu at a glance

Where is Bolu?

• 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 Bolu

• Düzce — 39 km west
• Akçakoca — 57 km northwest
• Ereğli — 63 km north
• Beypazarı — 69 km southeast
• Hendek — 73 km west
• Karasu Mahallesi — 78 km northwest
• Zonguldak — 81 km north
• Karabük — 100 km northeast
• Adapazarı — 101 km west
• Safranbolu — 108 km northeast

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.