Bolu Province
| Bolu Province Bolu ili | |
|---|---|
| Lake Gölcük | |
| Location of the province within Turkey | |
| Coordinates: 40°40′45″N 31°33′30″E / 40.67917°N 31.55833°E | |
| Country | Turkey | 
| Seat | Bolu | 
| Government | |
| • Governor | Erkan Kılıç | 
| Area | 8,313 km2 (3,210 sq mi) | 
| Population  (2022) | 320,824 | 
| • Density | 39/km2 (100/sq mi) | 
| Time zone | UTC+3 (TRT) | 
| Postal code | ISO 3166-2: TR-14 | 
| Area code | 0374 | 
| Website | www | 
Bolu Province (Turkish: Bolu ili) is a province in north-western Turkey, between the capital, Ankara, and the largest city in the country, Istanbul. Its area is 8,313 km,2, and its population is 320,824 (2022). The capital city of the province is Bolu.