Samankaya is a village in Şarkışla District, in Sivas Province, Türkiye. Samankaya lies at 1,565 m above sea level, 2.4 km from the Hınzır Dağı mountains. It has 1,254 inhabitants. The nearest city is Şarkışla, 23 km to the northwest. Among the landmarks around are Gazibey Dam (14.2 km), Maksutlu Dam (21 km) and Yapıaltın Dam (18.8 km).