La Paz (Spanish for "The Peace") is the capital city of the Mexican state of Baja California Sur and an important regional commercial center. The city had a 2005 census population of 189,176 persons, but it can be considered that it roughly reaches 200,000 persons because of its 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 219,596 persons living on a land area of 20,275 km² (7,828.2 sq mi).
In the city of La Paz was found the largest pearl in the world, used for the Queen of the United Kingdom, Elizabeth II.