Kozcağız is a town in Bartın District, in Bartın Province, Türkiye. Kozcağız lies at 70 m above sea level, 0.1 km from the Akçakoca Dağları mountains. It has 7,308 inhabitants (2022). The nearest city is Bartın, 17.3 km to the north. Among the landmarks around are Clitae (19.2 km).