The Bayburt fortress was built by Romans as a military outpost.
See:
- A. G. Sagona: The Heritage of Eastern Turkey: From Earliest Settlements to Islam, Macmillan Education AU, 2006
- http://arkeofili.com/bayburtta-roma-donemi-garnizon-kalintilari-bulundu/
- https://en.wikipedia.org/wiki/Bayburt
