Madrid

Madrid is the capital of Spain and its largest city. The population of the city is roughly 3.3 million and the entire population of the Madrid metropolitan area is calculated to be around 6.5 million. It is the third-largest city in the European Union, after London and Berlin, and its metropolitan area is the third-largest in the European Union after London and Paris. The city spans a total of 604.3 km2.

from: wikipedia.org