California City is a city located in northern Antelope Valley in Kern County, California, United States. It is 100 miles (160 km) north of the city of Los Angeles, and the population was 14,973 at the 2020 census. Covering 203.63 square miles (527.4 km2), California City has the third-largest land area of any city in the state of California, and is the largest city in California, by land area, that is not a county seat. It is the 43rd-largest city in the United States by land area.

The Antelope Valley is located in northern Los Angeles County, California, United States, and the southeast portion of California's Kern County, and constitutes the western tip of the Mojave Desert. It is situated between the Tehachapi, Sierra Pelona, and the San Gabriel Mountains. The valley was named for the pronghorns that roamed there until they were all eliminated in the 1880s, mostly by hunting, or resettled in other areas. The principal cities in the Antelope Valley are Palmdale and Lancaster.