Despite the economic downturn, a German city can still compete with its competitors as a business location. 468 start-ups were founded in Berlin last year alone.

Of the 14 German grownups that are currently on the way to becoming unicorns - i.e. have a valuation of over $1 billion and whose shares are not traded on a stock exchange - seven are based in Berlin. Among the German cities, only Berlin, which is also one of the best city break destinations in the world, can be found in the top 10.