Universal City is a city in Bexar County, Texas, United States with a small portion in Guadalupe County, Texas. It borders San Antonio to the northeast, and is adjacent to Randolph Air Force Base. The city also borders Schertz, Texas and Selma, Texas to its east, Live Oak, Texas to its north, and Converse, Texas to its south. Selma, Texas is one of the cities that make up the San Antonio Northeast Metrocom, which includes Cibolo, Texas, Converse, Texas, Garden Ridge, Texas, Kirby, Texas, Live Oak, Texas, Marion, Texas, New Berlin, Texas, Santa Clara, Texas, Selma, Texas, Schertz, Texas, Universal City, Texas, and Windcrest, Texas. The population was 19,720 at the 2020 census. It is part of the San Antonio Metropolitan Statistical Area.

Bexar County is a county in the U.S. state of Texas. It is in South Texas and its county seat is San Antonio.