Greater San Luis Potosí is the urban conglomerated which results of the fusion of the cities of San Luis Potosí and Soledad with other communities around the zone. This metropolitan area is the 11th largest in Mexico and has a population of 1.07 million. Greater San Luis Potosí is formed by the communities and cities of: This region is the most important urban zone in the whole state of San Luis Potosí, and there is concentrated a third part of the population of this. Also it is the main cultural, industrial and commercial centre.