Uçuk is a village in Şarkışla District, in Sivas Province, Türkiye. Uçuk lies at 1,705 m above sea level, 2.7 km from the Hınzır Dağı mountains. It has 68 inhabitants. The nearest city is Şarkışla, 21 km to the northwest. Among the landmarks around are Yapıaltın Dam (16.3 km), Gazibey Dam (17.9 km) and Maksutlu Dam (21 km).