奧地利大公國
The Prince-bishopric was also vested with large possessions within the Duchy of Carinthia that were strategically important for crossing the Eastern Alps, including the towns of Villach, Feldkirchen, Wolfsberg and Tarvis, located at the trade route to Venice, as well as Kirchdorf an der Krems in the Archduchy of Austria. The Habsburg Empress Maria Theresa purchased these territories in 1759.