Temecula is a city in southwestern Riverside County, California, with a population of 100,097 according to the 2010 United States Census. It was incorporated on December 1, 1989. Temecula is bordered by the City of Murrieta to the north and the Pechanga Indian Reservation as well as the San Diego County line to the south. The City of Temecula forms the southwestern anchor of the Inland Empire region.
Temecula is nearly equidistant to San Diego, Los Angeles, and Orange County, California, and is served by Interstate 15 and California State Route 79.