Demircilik is a village in Ulaş District, in Sivas Province, Türkiye. Demircilik lies at 1,713 m above sea level, in the Deli Dağ mountains. It has 37 inhabitants. The nearest city is Sivas, 34 km to the north. Among the landmarks around are Kussara (34 km), Gök Medrese (33 km) and Kuşaklı (25 km).