Los Angeles lies in a bowl in Southern California, adjoining the Pacific Ocean, with mountains as substantial as ten,000 feet (3,000 m), and deserts. The city, which covers around 469 square miles (1,210 km2), is the seat of Los Angeles County, the most crowded district in the United States. The Los Angeles metropolitan zone (MSA) is home to 13.1 million folks, creating it the 2nd–biggest metropolitan zone in the nation following New York. Better Los Angeles incorporates metro Los Angeles just as the Inland Empire and Ventura County. It is the 2nd most crowded U.S. joined measurable zone, likewise following New York, with a 2015 gauge of 18.7 million folks. Property to the Chumash and Tongva, Los Angeles escorts had been guaranteed by Juan Rodríguez Cabrillo for Spain in 1542. The city was established on September 4, 1781, by Spanish representative Felipe de Neve. It turned into a piece of Mexico in 1821 following the Mexican War of Independence. In 1848, toward the finish of the Mexican–American War, Los Angeles and the remainder of California had been purchased as a function of the Treaty of Guadalupe Hidalgo, and in this manner turned out to be a piece of the United States. Los Angeles was consolidated as a area on April 4, 1850, 5 months just before California completed statehood. The revelation of oil during the 1890s carried quick advancement to the city. The city was furthermore extended with the finishing of the Los Angeles Aqueduct in 1913, which conveys water from Eastern California. Los Angeles has an assorted economic system and hosts organizations in a broad scope of expert and social fields. It likewise has the busiest compartment port in the entire Americas. A around the world city, it has been positioned sixth in the Worldwide Cities Index and ninth in the Worldwide Financial Power Index. The Los Angeles metropolitan area likewise has a gross metropolitan outcome of $1. trillion (starting up at 2017), creating it the third-biggest city by GDP on the planet, following the Tokyo and New York City metropolitan territories. Los Angeles facilitated the 1932 and 1984 Summer season Olympics and will have the 2028 Summer season Olympics.