San Luis Potosí, commonly called SLP or simply San Luis, is the capital and the most populous city of the Mexican state of San Luis Potosí. It is the municipal seat of the surrounding municipality of San Luis Potosí. The metropolitan area includes the neighbour city of Soledad de Graciano Sánchez and other surrounding municipalities, which makes the metropolitan area of Greater San Luis Potosí the eleventh largest in Mexico.
The city is part of the macro region of Bajío. The city is one of the main industrial centres in central Mexico with a prolific manufacturing industry. A number of foreign industries have chosen to invest in San Luis Potosí in the last decades thanks to its strategic location for trade, as the city is located halfway between Mexico City and the United States border, as well as in the middle of the triangle formed by the three largest cities in Mexico: Mexico City, Guadalajara, and Monterrey.
Besides its industry-based economy, recently the city has been promoted as a touristic destination in central Mexico by state and federal programs. San Luis Potosí's historic centre displays a great mixture of different artistic styles in many buildings and is a major example of colonial architecture in Mexico. In 2010, the historic centre was listed as a UNESCO World Heritage Site within Camino Real de Tierra Adentro.
Various supermarket chains operate in the city, such as, H-E-B, Commercial Mexicana, Costco, Walmex (Wal-mart, Sam's Club, Superama, Vips, Bodega Aurrera and Suburbia), Chedraui, and Home Depot. The principal commercial centres of the city are Plaza Tangamanga, Plaza el Dorado, Plaza Sendero, Plaza Citadella and Plaza San Luis. In the city, various banks also operate, such as, BBVA Bancomer, Banamex, HSBC, Banorte, Santander-Serfin, Actinver, Scotiabank-Inverlat, and BanRegio.
The city's transportation consists of a public system, based on urban buses that move throughout the metropolitan area. Besides, the city contains one of the highest concentrations of taxis. Ponciano Arriaga International Airport is the city's main airway point. It is around 17 km (11 mi) from the city's downtown and it is the state's most important airway terminal.
San Luis Potosí City is rated Sufficiency by the Globalization and World Cities Research Network (GaWC) which evaluates and ranks the relationships between world cities in the context of globalisation. Sufficiency level cities are cities that have a sufficient degree of services so as not to be overly dependent on world cities.
San Luis Potosí City has a population of over 824,229 people. San Luis Potosí City also forms part of the wider San Luis Potosí metropolitan area which has a population of over 1,221,526 people.