Orange County is located in southern California. According to the 2010 census, Orange County is the third-most populated county in California and the sixth-most popular county in the United States.
The county's three largest cities are Anaheim, Santa Ana and Irvine, and each one is visited by thousands of tourists each year. There are 34 cities located in the county, but it is a mostly suburban area. It is famous for being the home of Disneyland, Knott's Berry Farm, and several popular beaches that stretch across the county's 40 miles of coastline. Most residents live in one of two valleys, the Santa Ana Valley and the Saddleback Valley.