California is the most populous and spacious state in the United States. California is also the second-most populous domain entity in the Americas, surpassed only by São Paulo in Brazil. California is located on the west coast of the United States, bordered from the north by Oregon and northeast by Nevada and Arizona by the southeast and Baja California by Mexico by the south, and the Pacific by the west. The state's four largest cities are Los Angeles, San Diego, San José and San Francisco. The state has the second and sixth largest statistical field, as well as the eighth populous city in the United States. California is characterized by a diversity of climate, geography and population.