Cologne (English pronunciation: /kəˈloʊn/, German: Köln [kœln] ( listen), Colognian: Kölle [ˈkœɫə] ( listen)) 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.