The University of Hamburg (German: Universität Hamburg, also referred to as UHH) is a comprehensive university in Hamburg, Germany. It was founded on 28 March 1919, having grown out of the previous General lecture system (Allgemeines Vorlesungswesen) and the Colonial Institute of Hamburg (Hamburgisches Kolonialinstitut) as well as the Akademic Gymnasium. The main campus is located in the central district of Rotherbaum, with affiliated institutes and research centers spread around the city state.