Çağlar is a village in Devrek District, in Zonguldak Province, Türkiye. Çağlar lies at 490 m above sea level, in the Akçakoca Dağları mountains. It has 364 inhabitants. The nearest city is Devrek, 9.3 km to the southeast. Among the landmarks around are Heraclea Pontica (41 km) and Kozlu Dam (16.4 km). Among the natural features are Gökgöl Cave (17.7 km) and Kızılelma Cave (18.2 km).