San Bernardino is a city located in the Riverside-San Bernardino metropolitan area (sometimes called the 'Inland Empire'). It serves as the county seat of San Bernardino County, California, United States. As one of the Inland Empire's anchor cities, located about 55 miles (89 km) east of Downtown Los Angeles, San Bernardino spans 81 square miles (210 km) on the floor of the San Bernardino Valley, and has a population of 209,924 as of the 2010 census. San Bernardino is the 17th largest city in California, and the 99th largest city in the United States. California State University, San Bernardino is located in the northeastern part of the city. The university also hosts the Coussoulis Arena. Other attractions in San Bernardino include ASU Fox Theatre, the McDonald's Museum, which is located on the original site of the world's first McDonald's (at 340732N 1171741W / 34.1255N 117.2946W / 34.1255; -117.