Orange County is a county in Southern California, United States. Its county seat is Santa Ana. The state of California estimates its population as of 2008 to be 3,121,251, making it the third most populous county in California, behind Los Angeles County and San Diego County.
The county is famous for its tourism, the home of such attractions as Disneyland and Knott's Berry Farm, as well as several beaches along more than 40 miles (64 km) of coastline. It is also recognized for its nationally known centers of religious worship, such as Crystal Cathedral, Saddleback Church, and Calvary Chapel. It is often portrayed in the media as an affluent and politically conservative region.