Garland is a city in the U.S. state of Texas, located within Dallas County with portions extending into Collin and Rockwall counties. It is located northeast of Dallas and is a part of the Dallas–Fort Worth metroplex. In 2020, it had a population of 246,018, making it the 93rd-most populous city in the United States and the 13th-most populous city in Texas. Garland is the third largest city in Dallas County by population and has access to downtown Dallas via public transportation including two DART Blue Line stations and buses.

Dallas County is the second-most populous county in the U.S. state of Texas with a 2020 U.S. census of 2,613,539, making it the ninth-most populous county in the country. Dallas County is included in the Dallas-Arlington-Fort Worth metropolitan statistical area—colloquially referred to as the Dallas–Fort Worth metroplex. Municipal expansion within Dallas County has blurred the geographic lines between cities and between neighboring counties.