Oğuzhan is a village in Devrek District, in Zonguldak Province, Türkiye. Oğuzhan lies at 424 m above sea level, in the Akçakoca Dağları mountains. It has 604 inhabitants. The nearest city is Devrek, 8.4 km to the southwest. Among the natural features are Çayırköy Cave (18.7 km) and Gökgöl Cave (23 km).