Zonguldak Province

Zonguldak Province (Turkish: Zonguldak ili) is a province along the western Black Sea coast region of Turkey. The province is 3.481 km² in size and has a population of 619,703 Its adjacent provinces are Düzce to the southwest, Bolu to the south, Karabük to the southeast, and Bartın to the east. The capital is Zonguldak.

Since the discovery of coal in the province, Zonguldak has become a major coal production center.