Karstadt Warenhaus GmbH comprises 83 department stores, 4 bargain centres, 2 branches of K Town and the online shop karstadt.de. The 28 sports shops belong to Karstadt Sports GmbH. The company used to own three premium stores - "Oberpollinger" in Munich, "Alsterhaus" in Hamburg and "Kaufhaus des Westens" ("KaDeWe") in Berlin which, with a sales area of 60,000 square metres, is both the largest German and second largest European department store. They now belong to "The KaDeWe Group", in which Karstadt's owner Signa Holding has a 49% minority shareholding.