Eskihisar, Nusaybin
Eskihisar () is a neighbourhood in the municipality and district of Nusaybin, Mardin Province in Turkey. The village is populated by Kurds of the Çomeran tribe and had a population of 162 in 2021. The Monastery of Mar Awgin is located just east of Eskihisar. References 

Neighbourhoods in Nusaybin District
Kurdish settlements in Mardin Province