Raetia
Proper noun
Meaning
Raetia
(historical) A Roman province bordered on the west by the Helvetii, on the east by Noricum, on the north by Vindelicia, on the west by Cisalpine Gaul and on south by Italy, which occupied the region which is today central and eastern Switzerland, southern Bavaria, most of Tirol and part of Lombardy.
Examples
Diocletian invaded Germania through Raetia while Maximian progressed from Mainz.
As the fabric of the Roman Empire crumbled, the ability of Raetia, Noricum and Pannonia to defend themselves became increasingly problematic.
He was one of Rome's greatest generals, conquering Pannonia, Dalmatia, Raetia, and temporarily Germania; laying the foundations for the northern frontier.
Julian then divided his forces, sending one column to Raetia, one to northern Italy and the third he led down the Danube on boats.
The armies of Gaul, Brittania and Raetia sided with them shortly afterwards.