The international connection is one of the central tasks of metropolitan areas. The Metropolregion Hannover Braunschweig Göttingen Wolfsburg focuses especially on the German-French cooperation. Together with the French Embassy the Metropolregion is running the Antenne Métropole since 2010. This institution within the network of the institute francais Deutschland is mainly promoting the French culture and language. Member of the Metropolregion receive support with their French contacts. Additionally, the Antenne Métropole is carrier of a project for the transnational development of local strategies to promote electric mobility. Alongside French cities also Spanish cities and institutions are involved.

The better transport forum serves as a platform for the exchange of new traffic concepts. With the project better transport lounge the Metropolregion is presenting solutions for the implementation of electric vehicles in metropolitan areas on fairs and congresses.