Brixen

Brixen was an ecclesiastical principality of the Holy Roman Empire in the Tyrol's Eisack valley. Matthäus an der Gassen was its bishop in 1337.

The Counts of Tyrol acquired much of the see's temporal land as fiefs. Cardinal Nicholas of Cusa, bishop from 1450, was imprisoned by Archduke Sigismund. The principality was secularized to Austria in 1803, passed briefly to Bavaria in 1805 and returned to Austria in 1814.