Geography of the European Union


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The 27 member states of the European Union occupy most of Western Europe and parts of Central and Eastern Europe. For the geography of the European Union, see Geography of Europe and the articles about the geography of the individual member states:

Main articles: Largest cities of the European Union by population within city limits and Largest urban areas of the European Union

The European Union is home to more global cities than any other region in the world. Over 16 cities with populations over one million inhabitants, counted in its city proper. Densely populated regions that have no single core but have emerged from the connection of several cites and are now encompassing large metropolitan areas are Rhine-Ruhr having approximately 10.5 million inhabitants (Cologne, Dortmund, et al.), Randstad approx. 7 million (Amsterdam, Rotterdam, The Hague et al.), the Flemish Diamond approx. 5.5 million, Frankfurt Rhine Main Area approx. 4 million (Frankfurt, Wiesbaden et al.) and the Upper Silesian Industry Area approx. 3.5 million. (Katowice, Sosnowiec et al.).^[1]

City proper	Population City limits in millions	Density per km²	Urban area	Population Urban area in millions	Metro area	Population Metro area in millions
London, UK	7.5	4,761	Paris, France	10.1	London, UK	12-14
Berlin, Germany	3.4	3,815	London, UK	8.5	Paris, France	11.7
Madrid, Spain	3.1	1,985	Madrid, Spain	5.5	Rhine-Ruhr, Germany	10.2
Rome, Italy	2.5	5,198	Ruhr, Germany	5.3	Randstad, Netherlands	7.0
Paris, France	2.2	24,672	Barcelona, Spain	4.5	Madrid, Spain	5.8
Bucharest, Romania	1.9	9,131	Milan, Italy	3.8	Barcelona, Spain	5.3
Hamburg, Germany	1.8	2,310	Berlin, Germany	3.7	Milan, Italy	4.3
Warsaw, Poland	1.7	3,258	Rotterdam–The Hague, Netherlands	3.3	Berlin, Germany	4.3
Budapest, Hungary	1,7	3,570	Athens, Greece	3.2	Frankfurt Rhine-Main, Germany	4.1
Vienna, Austria	1.7	3,931	Naples, Italy	2.9	Athens, Greece	3.9