California is a state located on the West Coast of the United States. It is the most populous U.S. state, home to one out of eight Americans, and is the third largest state by area. Wikipedia

Los Angeles County, also known as L.A. County, officially the County of Los Angeles, is a county in the U.S. state of California. As of the 2010 U.S. Census, the county has a population of 9,818,605, making it the most populous county in the United States. Wikipedia