Rumkale, also known as Urumgala, is a ruined fortress on the Euphrates, located in the province of Gaziantep and 50 km west of Şanlıurfa. In Syriac sources, the site was attested to as Šūrō d'Rūmoyē, and by the 11th century, Qal'ah Rūmoytō and Ḥeṣnō d'Rūmoyē.