Cizre (pronounced [ˈdʒizɾe]; Arabic: جَزِيْرَة ٱبْن عُمَر, romanized: Jazīrat Ibn ʿUmar, or Madinat al-Jazira, Hebrew: גזירא, romanized: Gzira, Kurdish: Cizîr, Cizîra Botan, or Cizîre, Syriac: ܓܙܪܬܐ ܕܒܪ ܥܘܡܪ, romanized: Gāzartā,) is a city and district in Şırnak Province in Southeastern Anatolia Region of Turkey. It is located on the river Tigris by the Syria–Turkey border and close to the Iraq–Turkey border. Cizre is in the historical region of Upper Mesopotamia and the cultural region of Turkish Kurdistan.Cizre was founded as Jazirat Ibn ʿUmar in the 9th century by al-Hasan ibn Umar, Emir of Mosul, on a manmade island in the Tigris. The city benefited from its situation as a river crossing and port in addition to its position at the end of an old Roman road which connected it to the Mediterranean Sea, and thus became an important commercial and strategic centre in Upper Mesopotamia.