Madrid is the capital and largest city of Spain. Located on the Manzanares River in the center of Spain, it is bordered by the autonomous communities of Castile and Leon and Castile-La Mancha. In 2014, Madrid has an estimated population of 3.3 million, which makes it the third largest city in the European Union behind London and Berlin.
Madrid has an estimated population of 3.3 million, but the population of the Madrid metropolitan area is estimated to be about 6.5 million. This is the third-largest metropolitan area in the European Union behind London and Paris.