Bölücek is a village in Devrek District, in Zonguldak Province, Türkiye. Bölücek lies at 340 m above sea level, in the Akçakoca Dağları mountains. It has 789 inhabitants. The nearest city is Devrek, 10.3 km to the south. Among the landmarks around are Kozlu Dam (18.1 km), Heraclea Pontica (46 km) and Tium (28 km). Among the natural features are Gökgöl Cave (18.1 km) and Çayırköy Cave (15.3 km).