La Paz (Bolivia), city in western Bolivia, located on the La Paz River. La Paz is Bolivia's largest city, as well as the country's administrative capital and the capital of La Paz Department. The city sits amid the Andes Mountains and is about 3625 m (about 11,900 ft) above sea level, making it the highest large city in the world. La Paz is linked by railroads and highways to cities in Peru and Argentina and to Arica, Chile, the nearest port on the Pacific Ocean. It also has an international airport. It is also the site of the University of San Andrés (1830), the Catholic Bolivian University (1966), the National Museum, the presidential and legislative palaces, and a cathedral (completed in 1933) with a capacity of 12,000. La Paz was founded by the Spanish in 1548. It flourished because of its strategic location on the trade route between the Bolivian silver mines and the ocean. Population (1993 estimate) 784,976.