Khakhuli Monastery was a Georgian Orthodox monastery in historical Medieval Georgian Kingdom of Tao, in one of the gorges of the Tortum river. The main church is now used as a mosque.
Khakhuli was a very important centre of literature and Georgian culture and many Georgian scholars and theologians studied and worked in Khakhuli including Basil of Khakhuli, Ioane Khakhuleli, Davit Tbileli, and Giorgi Mtatsmindeli.
Wikipedia https://en.wikipedia.org/wiki/Khakhuli_Monastery
Coordinates 40°30'44.949" N 41°27'18.771" E