The Madrid Metropolitan Area (Spanish: Área metropolitana de Madrid) comprises the city of Madrid and 20 surrounding municipalities. It has a population of 6,321,398 people and covers an area of 5,335.97 square kilometres (2,060.23 sq mi).
It is the largest metropolitan area in Spain, the 4th largest in the European Union and the 54th largest in the world.
As with many metropolitan areas of similar size, two distinct zones of urbanisation can be distinguished:
The largest suburbs are to the south, and in general along the main routes leading out of Madrid.
The GDP of the metropolitan area of Madrid was estimated to be 189 billion euros in 2009 and represents over 90% of the GDP of the region of Madrid. The GDP per capita was 37,758 euros in the metropolitan area while it reached 30,453 euros for the Madrid region.