Corona is a city in northwestern Riverside County, California, United States. At the 2020 census, the city had a population of 157,136, up from 152,374 at the 2010 census. Corona is surrounded by Norco to the north and northeast, Yorba Linda to the northwest, Cleveland National Forest and the Santa Ana Mountains to the west, southwest, and south. Several unincorporated communities are along the rest of the city's borders. Downtown Corona is approximately 48 miles southeast of Downtown Los Angeles and 95 miles (153 km) north-northwest of San Diego.

Norco is a city in Riverside County, California, United States. Located roughly 40 miles (64 km) inland from the Pacific Ocean, Norco is known as “Horsetown, USA” and prides itself on being a "horse community”. The area is dotted with corrals, farms, hitching posts, ranches, riding trails, and tack-and-feed supply stores; there are also city ordinances in-place requiring new construction to have a "traditional, rustic... Western flavor".