Region

The former Hanseatic City of Dortmund has a population of around 600,000 making it the largest city in Westphalia and the Ruhr Metropolis.

The Ruhr Metropolis represents a conurbation of 5.3 million people in an area of 4,400 km²: This region forms the heart of the strongest German state - North-Rhine Westphalia. The Ruhr Metropolis numbers among the biggest conurbations in Europe. It is characterized by numerous interconnected skills networks and skills areas.