
1) Byzantine Anatolia
Found on
https://www.crosswordclues.com/clue/optimatoi

==History== The Optimates were first set up in the late 6th century (c. 575), by Emperor Tiberius II Constantine (r. 574–582). According to the Strategikon of Emperor Maurice, the Optimates were an elite regiment of Foederati, most likely of Gothic origin. They were a cavalry corps, somewhere between one and five thousand strong, and formed part...
Found on
http://en.wikipedia.org/wiki/Optimatoi
No exact match found.