Torreón is a city and seat of the surrounding municipality of the same name in the Mexican state of Coahuila. As of 2010, the city's population was 608,836 with 639,629 in the municipality.[citation needed] The metropolitan population, including Matamoros, Coahuila, and Gómez Palacio and Lerdo in adjacent Durango, was 1,215,993.[citation needed] It is the ninth-biggest metropolitan area in the country and is one of Mexico's most important economic and industrial centers. Torreón is served by Francisco Sarabia International Airport, a small airport with flights to several cities in Mexico and the United States.