Türkmen is a village in Gerze District, in Sinop Province, Türkiye. Türkmen lies at 897 m above sea level, in the Küre mountains. It has 104 inhabitants. The nearest city is Boyabat, 34 km to the southwest. Among the landmarks around are Carussa (25 km) and Erfelek Dam (16.1 km). Among the natural features are Tatlıca Waterfalls (13.6 km).