Rumkale

The Qal'at al-Rum (Arabic: قلعة الروم‎) was a powerful fortress on the river Euphrates, 50 km west of Şanlıurfa. It is called Hromkla in Kurdish, Qal'ah Rumita in Syriac, Rumkale in Turkish, Հռոմկլա (Hromkla) in Armenian; the name means "Roman Castle (by extension also Byzantine)" in all cases.