Zafer is a village in Ulus District, in Bartın Province, Türkiye. Zafer lies at 372 m above sea level, in the Akçakoca Dağları mountains. It has 740 inhabitants. The nearest city is Safranbolu, 23 km to the southeast. Among the landmarks around are Kazdağlı Mosque (24 km), Clitae (19.0 km) and İzzet Mehmet Pasha Mosque (23 km).