Klagenfurt am Wörthersee, usually known as just Klagenfurt, is the capital of the federal state of Carinthia in Austria. With a population of 100,817, it is the sixth-largest city in the country. The city is the bishop's seat of the Roman Catholic Diocese of Gurk-Klagenfurt and home to the University of Klagenfurt, the Carinthian University of Applied Sciences and the Gustav Mahler University of Music.