Sumatar Harabesi (also, Sumatar Ruins or simply, Sumatar) was an ancient watering place for semi-nomadic peoples located in the Tektek Mountains, 60 kilometers (37 mi) southeast of Urfa (Edessa, Mesopotamia) and 40 kilometers (25 mi) northeast of Harran, in modern-day Turkey.[1][2][3] A now deserted oasis, it consists of a set of ruins and tombs situated around a central mount of rock 50 meters (160 ft) in height and width.[1]