It is a city and municipality Mexican capital and most populous state of Nuevo Leon and the third largest city in Mexico. In 2015 he brought together a total of 1 415 512 habitants, being the ninth most populous city in Mexico, and head of the Monterreys metropolitan area, which in turn brings a total of 4,6 million in 2015 so it is considered the third most populed metropolitan area in mexico just after mexico city and Guadalajara, and the second in territorial extension.