Koçak is a village in Ulukışla District, in Niğde Province, Türkiye. Koçak lies at 1,668 m above sea level, in the Bolkar mountains. It has 681 inhabitants. The nearest city is Bor, 43 km to the northwest. Among the landmarks around are Faustinopolis (13.9 km), Loulon (6.0 km) and Tunna (12.9 km). Among the natural features are Cilician Gates (28 km) and Kolsuz Pass (22 km).