PLRI is a proud member of the Metropolregion Hannover Braunschweig Göttingen Wolfsburg, one of eleven metropolitan regions in Germany. Around four million people are living over an area of 19.000 km² in the metropolitan region. Large, medium and small cities, urban and rural areas, even real mountains: The area reaches from Nienburg (Weser) in the North to the hessian border and the Harz. Especially the economic power, the excellent economic landscape and the direct location at important European traffic axis make the region around the cities Hannover, Braunschweig, Göttingen and Wolfsburg to the metropolitan region with European importance.

The metropolitan region is offering a resilient platform for the cooperation of economy, science, municipalities and country for an area that is not focusing on the administrative limits but the economic interdependencies.