California is a state on the West Coast of the United States, along the Pacific Ocean. It is the most populous U.S. state. Its four largest cities are Los Angeles, San Diego, San Jose, and San Francisco. It is known for its varied climate and geography, as well as for its ethnically diverse population.
Los Angeles is the largest city in the state of California and the second-largest in the United States.Often abbreviated as L.A., it is rated an alpha world city, having an estimated population of 3.8 million and spanning over 469.1 square miles (1,214.9 square kilometers) in Southern California.