The Alpen-Adria-Universität Klagenfurt (AAU), or University of Klagenfurt, is a federal Austrian university and the largest research and higher education institution in the Austrian province Carinthia. It has its main campus in Klagenfurt, with additional facilities in Austria's two largest cities Vienna and Graz. Efforts to found the university began in 1964 and succeeded in 1970, during the term of Governor Sima.