Klagenfurt, Austria has a population of approximately 90,000 people, and is the capital of Carinthia (federal state). Klagenfurt is located on the Glan River. Graz is a transportation and cultural center. Industry includes iron and steel, precision and optical instruments. Klagenfurt is a resort area with mountains, many parks, and 23 castles close by. Popular events include The Magic of the Old City festival and the Ironman Contest. Popular tourist attractions include the Worthersee, the Lindwurm Brunnen, and the Hochosterwitz Castle.