La Paz  [la ˈpas]  Peace) is the capital city of the Mexican state of Baja California Sur and an important regional commercial center. The city had a 2015 census population of 244,219 inhabitants, making it the most populous city in the state. Its metropolitan population is somewhat larger because of the surrounding towns, such as El Centenario, Chametla and San Pedro. It is in La Paz Municipality, which is the fourth-largest municipality in Mexico in geographical size and reported a population of 290,286 inhabitants on a land area of 20,275 km2(7,828 sq mi).

The population of La Paz has grown greatly since the 2000s. The growth is largely because the city has one of the highest standards of living and security in Mexico.

La Paz is served by the Manuel Márquez de León International Airport with flights to the most important cities of Mexico: Mexico City, Guadalajara, Monterrey. Airlines flying into La Paz include Aeroméxico Connect, Volaris and VivaAerobus. Two ferry services operate from the port of Pichilingue outside the city, connecting the Baja California peninsula to the mainland at Mazatlán and Topolobampo, near Los Mochis.