Sumatar Harabesi is an archaeological site of an ancient watering place located southeast of Urfa in Şanlıurfa Province in Turkey. Some of the archaeological inscriptions at the site date back to the 2nd century AD, and they refer to Sin, which is the name of the moon god in Babylonia and Assyria. The site was used by semi-nomadic peoples, and it includes a set of ruins and tombs situated around the central mount.