Commerz Grundbesitz-Investmentgesellschaft (CGI), a member of Commerz Grundbesitz Group (CGG), has sold a block of German real estate from its HausInvest Europa open-end property fund to Morgan Stanley Real Estate Fund (MSREF) for EUR 526 mln. The 29 properties are located in the Rhine-Main area, the Rhine-Ruhr area, Munich, Berlin, Hamburg, Stuttgart and Lübeck.