It is a popular vacation spot with mountains to both the south and north, numerous parks and a series of 23 castles on its outskirt. In summer time the city is home to the festival of Altstadtzauber (The Magic of the Old City). The Old City with its centre "Alter Platz" is also worth seeing. Notable landmarks include the Wörthersee lake, the warmest European Alpine lake and the Lindwurm Brunnen, a dragon fountain.
Also located here are the University of Klagenfurt and Klagenfurt airport. Among other Austrian educational institutions there is also the Slovenian nonclassical gymnasium.