| Type: | municipality |
| Çaydeğirmeni | |
| Coordinates: | 41.2833°N 36°W |
| Province: | Zonguldak |
| District: | Devrek |
| Population Total: | 7034 |
| Population As Of: | 2022 |
| Elevation M: | 60 |
| Postal Code: | 67830 |
| Area Code: | 0372 |
Çaydeğirmeni is a town (belde) in the Devrek District, Zonguldak Province, Turkey.[1] Its population is 7,034 (2022).[2] It is situated in the valley of Alpaslan creek, a tributary of Yenice River. It is north east of Devrek. The area around Çaydeğirmeni was inhabited from the 4th century BC (late Hellenistic period). The settlement was a stop on an ancient caravan route. The present town was founded in 1993 after a merger of two villages named Kemerler and Kaypaklar.[3]