Boğazdere is a village in Ulaş District, in Sivas Province, Türkiye. Boğazdere lies at 1,528 m above sea level, 6.5 km from the Kulmaç Dağları mountains. It has 58 inhabitants. The nearest city is Sivas, 42 km to the north. Among the landmarks around are Kuşaklı (7.9 km), Karacalar Dam (8.4 km) and Gazibey Dam (22 km).