Klagenfurt am Wörthersee is the capital of the federal state of in .
Klagenfurt am Wörthersee, or simply Klagenfurt,is thecapitalof the federal state ofCarinthiainAustria. With a population of 99,100, it is the sixth-largest city in the country. The city is the bishop's seat of theRoman Catholic Diocese of Gurk-Klagenfurtand home to theAlpen-Adria-Universität Klagenfurt.It is on the lakeWörtherseeand on theGlanRiver. The city is surrounded by several forest-covered hills and mountains with heights of up to 1,000m (3,300ft), for example,Ulrichsberg. To the south is theKarawankenmountain range, which separates Carinthia fromSloveniaandItaly.