Southern Europe is led by Madrid with 3.3M residents, followed by Rome with 2.3M inhabitants. These two capital cities stand significantly larger than other metropolitan areas in the region.
Spain features several major urban centers beyond Madrid, including Barcelona (1.6M), Valencia (814.2K), and Sevilla (703.2K). Similarly, Italy maintains a network of significant cities including Milan (1.2M), Naples (959.5K), and Turin (870.5K).
The Balkan region’s capitals form important urban centers: Belgrade (1.3M), Zagreb (699K), and Sarajevo (696.7K). Athens in Greece maintains 664K residents, while Lisbon in Portugal has 517.8K inhabitants.