Mor Gabriel Monastery
The Monastery of Saint Gabriel (Syriac: ܕܝܪܐ ܕܡܪܝ ܓܒܪܐܝܠ; Dayro d-Mor Gabriel), also known as Monastery of Qartmin, Deir el-ʿUmr, Deyrulumur, and in Turkish, Mor Gabriel Manastırı, is a Syriac Orthodox monastery located near Midyat in the Tur Abdin region of southeastern Turkey. Founded in 397 AD by the ascetics Mor Shmuel of Qartmin and Mor Shemʿun of Qartmin, it is one of the oldest surviving Assyrian monasteries in the world and one of the oldest continuously active Christian monasteries in existence.