Grapevine is a city located in northeast Tarrant County, Texas, United States, with minor portions extending into Dallas County and Denton County. The population was 50,631 at the time of the 2020 census, up from 46,334 in the 2010 census. The city is located in the Mid-Cities suburban region between Dallas and Fort Worth and includes a larger portion of Dallas/Fort Worth International Airport than other cities.

Tarrant County is a county located in the U.S. state of Texas with a 2020 U.S. census population of 2,110,640, making it the third-most populous county in Texas and the 15th-most populous in the United States. Its county seat is Fort Worth. Tarrant County, one of 26 counties created out of the Peters Colony, was established in 1849 and organized the next year. It is named after Edward H. Tarrant, a lawyer, politician, and militia leader.