Cologne-based property company Vivacon has announced the acquisition of a portfolio of 6,812 residential units in western Germany. The financial details of the transaction were not disclosed, but Vivacon said it was the largest acquisition in the company's history. The units are located in Bremen, Hesse, Lower Saxony, North Rhine-Westphalia and Schleswig-Holstein and provide a total rentable area of about 411,200 m[sup]2[/sup]. The occupancy rate is 85%.