The University Hospital of Giessen and Marburg (Universitätsklinikum Gießen und Marburg GmbH) is a German university hospital based in Giessen and Marburg. The Giessen site is the teaching hospital of the University of Giessen whereas the Marburg site is the teaching hospital of the University of Marburg. It is the first privatized university hospital in Germany and, due to the merger of the two sites, one of the largest hospitals in Germany.