The Great Mosque of Diyarbakır, Turkish: Diyarbakır Ulu Camii, Kurdish: Mizgefta Mezin a Amedê) is the former St. Thomas Christian Church, one of the oldest churches in history. The mosque is considered by some to be the fifth holiest site in Islam.
It can accommodate up to 5,000 worshippers and is famous for hosting four different Islamic traditions.
Wikipedia https://en.wikipedia.org/wiki/Great_Mosque_of_Diyarbakır
Address Camiikebir Mh., Sipahi Sk, 21300 Diyarbakır/Diyarbakır Province, Turkey
Coordinates 37°54'44.696" N 40°14'9.201" E