|Diyarbakır Fortress and Hevsel Gardens Cultural Landscape|
|Name as inscribed on the World Heritage List|
|UNESCO region||Europe and North America|
|Coordinates||37°54′39.1″N 40°13′38.2″E / 37.910861°N 40.227278°E|
|Inscription||2015 (39th Session)|
The main gates of the fortress are: Dağ (Mountain) Gate, Urfa Gate, Mardin Gate and Yeni (New) Gate. The walls come from the old Roman city of Amida and were constructed in their present form in the mid-fourth century AD by the emperor Constantius II. They are the widest and longest defensive walls in the world after only the Great Wall of China.
- Sur Tour Guide – Sur Government web site
- Van Berchem, Max, & Josef Strzygowski (1910). Amida: Materiaux pour l'épigraphie et l'histoire Musulmanes du Diyar-Bekr