Nisibis Mountain (300-500s) (Mount Izla)
Nisibis Mountain (Mount Izla) is located in southeast Turkey, near Nisibis. It is a forty-eight-mile (77 km) ridge running east to west along the modern Syrian border with Turkey. Along this long ridge are dozens of ancient monasteries that were built in 300s to the 500s. At one time, there were around forty thousand monks living there.