| Name | Erzurum |
| Alt names | Arz ar-Rūm | source: Encyclopædia Britannica (1988) IV, 552-553 |
| Arzan ar-Rūm | source: Encyclopædia Britannica (1988) IV, 552-553 |
| Erzerum | source: Canby, Historic Places (1984) I, 280 |
| Theodosiopolis | source: Encyclopædia Britannica (1988) IV, 552-553; USBGN: Turkey (1984) p 1330 |
| Type | Inhabited place |
| Coordinates | 39.95°N 41.283°E |
| Located in | Erzurum, Turkey |
