Cologne ( Köln/ Kölle is Germany's fourth-largest city (after Berlin, Hamburg and Munich),

and is the largest city both in the German Federal State of North Rhine-Westphalia and within

the Rhine-Ruhr Metropolitan Area, one of the major European metropolitan areas with more than ten million inhabitants.

Cologne is located on both sides of the Rhine River. The city's famous Cologne Cathedral (Kölner Dom)

is the seat of the Catholic Archbishop of Cologne.

Cologne is a major cultural centre of the Rhineland and has a vibrant arts scene.