Zonguldak is a city of about 100 thousand people in the Black Sea region of Turkey. It is the seat of Zonguldak Province and Zonguldak District…Zonguldak is a city of about 100 thousand people in the Black Sea region of Turkey. It is the seat of Zonguldak Province and Zonguldak District. It was established in 1849 as a port town for the nearby coal mines in Ereğli. The current mayor is Tahsin Erdem, representing the CHP.