Adatepe is a village in Devrek District, in Zonguldak Province, Türkiye. Adatepe lies at 858 m above sea level, in the Akçakoca Dağları mountains. It has 378 inhabitants. The nearest city is Devrek, 19.5 km to the northeast. Among the landmarks around are Köprübaşı Dam (9.5 km) and Heraclea Pontica (44 km).