Özbaş is a neighborhood in Hilvan District, in Şanlıurfa Province, Türkiye. Özbaş lies at 617 m above sea level. It has 60 inhabitants. The nearest city is Hilvan, 5.6 km to the west. Among the landmarks around are Göbekli Tepe (41 km), Tille Höyük (20 km) and Nevalı Çori (37 km).