Çaydeğirmeni is a town (belde) in the Devrek District, Zonguldak Province, Turkey.

[1] It is situated in the valley of Alpaslan creek, a tributary of Yenice River.

The area around Çaydeğirmeni was inhabited from the 4th century BC (late Hellenistic period).

The present town was founded in 1993 after a merger of two villages named Kemerler and Kaypaklar.

This geographical article about a location in Zonguldak Province, Turkey is a stub.