California is the most populous state in the United States, and the third largest by land area, after Alaska and Texas; it is also the second most populous sub-national entity in the Americas, behind only São Paulo, Brazil. California is located on the West Coast of the United States, bordered by Oregon to the north, Nevada to the northeast, Arizona to the southeast, the Mexican state of Baja California to the south, and the Pacific Ocean to the west. Its four largest cities are Los Angeles, San Diego, San Jose, and San Francisco. The state is home to the nation's second and sixth largest census statistical areas as well as eight of the nation's fifty most populous cities. California has a varied climate and geography, and a diverse population.