Temecula (; Spanish: Temécula, [te'mekula]; Luiseño: Temeekunga) is a city in southwestern Riverside County, California, United States. The city had a population of 110,003 as of the 2020 census and was incorporated on December 1, 1989. The city is a tourist and resort destination, with the Temecula Valley Wine Country, Old Town Temecula, the Temecula Valley Balloon & Wine Festival, the Temecula Valley International Film Festival, championship golf courses, and resort accommodations contributing to the city's economic profile.The city of Temecula, forming the southwestern anchor of the Inland Empire region, is approximately 58 miles (93 km) north of downtown San Diego and 85 miles (137 km) southeast of downtown Los Angeles. Temecula is part of the Greater Los Angeles area. Temecula is bordered by the city of Murrieta to the north and the Pechanga Indian Reservation and San Diego County to the south. Temecula is also the principal city of the Temecula–Murrieta–Menifee, CA urban area, which had a population of 528,991 as of the 2020 census.