Köseli is a village in Cide District, in Kastamonu Province, Türkiye. Köseli lies at 166 m above sea level, in the Küre mountains. It has 102 inhabitants. The nearest city is Bartın, 65 km to the west. Beaches nearby: Gebeş (9.7 km). Among the landmarks around are Cytorus (14.5 km) and Climax (2.9 km). Among the natural features are Dağlı Kuylucu Cave (13.5 km).