Devrek is a town located in the Zonguldak Province within the Black Sea Region of Turkey. It serves as the administrative seat of the Devrek District and had a population of 27,444 as of 2022.
The town was originally founded as Hamidiye in the sanjak of Bolu. It was later incorporated into the Zonguldak Province on May 14, 1920. The current mayor is Özcan Ulupınar.