Madrid is the capital city of Spain.

Madrid is also the most populous city in Spain. The city has almost 3.4 million inhabitants and a metropolitan area population of approximately 6.7 million. It is the second-largest city in the European Union (EU), surpassed only by Berlin in its administrative limits, and its monocentric metropolitan area is the second-largest in the EU, surpassed only by Paris. The municipality covers a 604.3 km2 (233.3 sq mi) geographical area. The Madrid urban agglomeration has the second-largest GDP in the European Union and its influence on politics, education, entertainment, environment, media, fashion, science, culture, and the arts all contribute to its status as one of the world's major global cities.