Bulhasan is a village in Gemerek District, in Sivas Province, Türkiye. Bulhasan lies at 1,630 m above sea level, in the Ak Dağlar mountains. It has 135 inhabitants. The nearest city is Şarkışla, 27 km to the east. Among the landmarks around are Aşık Veysel Museum (7.4 km). Among the natural features are Göksu Waterfall (18.1 km).