Great Mosque of Diyarbakır
Sur, Turkey · built 1091
The Great Mosque of Diyarbakır (Diyarbakır Ulu Camii or Cami-i Kebîr, Mizgefta Mezin a Amedê) was built in the late 11th century by the Seljuk sultan Malik-Shah I over an older mosque. According to some, it is the fifth holiest site in Islam after the Great Mosque of Damascus, which influenced its design. It can accommodate up to 5,000 worshippers and hosts four different Islamic traditions.
Mosque data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).