Cologne is the fourth-largest and the oldest city in Germany. Cologne has a population of more than two million. Cologne is situated at the centre of the North Rhine-Westphalia region makes it the highest purchasing power in the Europe.

The metropolis on the Rhine with its incomparable identity attracts several millions of visitor every year. Cologne's Gothic Cathederal is one of its the most popular tourist attractions. It took more than six hundred years to build and is a UNESCO world heritage site. The other attractions are the house of 4711, the Original Eau-de-Cologne, Altstadt town and Roman-German Museum.