Temecula is a city in southwestern Riverside County, California, United States with a population of 100,097, according to the 2010 United States Census. It was incorporated on December 1, 1989. Temecula is bordered by Murrieta on the northwest and the Pechanga Indian Reservation on the south, with unincorporated areas of Riverside County on all of its other borders. It is served by Interstate 15 (Temecula Valley Freeway), Interstate 215 and California State Route 79 (Winchester Road to the northeast and Temecula Parkway to the southeast).
With neighboring Murrieta, Temecula forms the southwestern anchor of the Inland Empire region. It is almost equidistant to San Diego, Los Angeles, and Orange County, California. Temecula is also home to military families from nearby Camp Pendleton, MCAS Miramar, March Air Reserve Base and the Naval bases in San Diego.