La Paz is the capital city of the Mexican state of Baja California Sur and an important regional commercial center. The city had a 2010 census population of 215,178 persons, but its metropolitan population is somewhat larger because of surrounding towns like el Centenario, el Zacatal and San Pedro. Its surrounding municipality, which is the fourth-largest municipality in Mexico in geographical size, reported a population of 251,871 persons living on a land area of 20,275 km (7,828 sq mi)