The Top Technology Region/Eindhoven-Leuven-Aachen triangle (TTR-ELAt) is an initiative to support cross-border collaboration in a densely populated network of small and medium-sized cities located at the heart of western Europe with an annual economic output of USD 244 billion. The collaboration...

The Oresund is the most well-known example of European cross-border collaboration, building on the metropolitan area around Copenhagen and, across the sound, southern Sweden with the cities of Malmö, Lund and Helsingborg. Cross-border integration intensified following the opening of a...