Grand Prairie is a city in Dallas County, Tarrant County, and Ellis County, Texas, in the United States. It is part of the Mid-Cities region in the Dallas–Fort Worth metroplex. It has a population of 175,396 according to the 2010 census, making it the fifteenth most populous city in the state.

Farmers Branch, officially the City of Farmers Branch, is a city in Dallas County, Texas, United States. It is an inner-ring suburb of Dallas and is part of the Dallas–Fort Worth metroplex. Its population was 28,616 at the 2010 census.Known as a "City in a Park" for its 28 parks in only 12 square miles, Farmers Branch is a small community in close proximity to Dallas, and has a business community that accounts for 80% of the city's tax base, allowing residents to have one of the lower city tax rates in Dallas County, while having dedicated city services and public safety.The city received media attention due to 2006 anti-illegal immigration measures and a law making English the city's official language. These measures were struck down by courts and/or repealed. In 2017, the community elected the city's first millennial mayor, Robert C. Dye. Under the mayor and council's leadership, the city has prioritized creating a more ethnically diverse community focused on leadership in education, sustainability, innovative commercial development, and smart city design.

Dallas () is a city in the U.S. state of Texas and the largest city in and seat of Dallas County, with portions extending into Collin, Denton, Kaufman and Rockwall counties. With a 2020 census population of 1,304,379, it is the ninth most-populous city in the U.S. and the third-largest in Texas after Houston and San Antonio. Located in North Texas, the city of Dallas is the main core of the largest metropolitan area in the Southern United States and the largest inland metropolitan area in the U.S. that lacks any navigable link to the sea. It is the most populous city in the Dallas–Fort Worth metroplex, the fourth-largest metropolitan area in the country at 7.5 million people.Dallas and nearby Fort Worth were initially developed due to the construction of major railroad lines through the area allowing access to cotton, cattle and later oil in North and East Texas. The construction of the Interstate Highway System reinforced Dallas's prominence as a transportation hub, with four major interstate highways converging in the city and a fifth interstate loop around it. Dallas then developed as a strong industrial and financial center and a major inland port, due to the convergence of major railroad lines, interstate highways and the construction of Dallas/Fort Worth International Airport, one of the largest and busiest airports in the world. In addition, Dallas has DART (Dallas Area Rapid Transit) with different colored train lines that transport throughout the Metroplex.Dominant sectors of its diverse economy include defense, financial services, information technology, telecommunications, and transportation. Dallas is home to nine Fortune 500 companies within the city limits while the Dallas–Fort Worth metroplex hosts twenty-two Fortune 500 companies, the second most in Texas and fourth most in the United States. Over 41 colleges and universities are located within its metropolitan area, which is the most of any metropolitan area in Texas. The city has a population from a myriad of ethnic and religious backgrounds and one of the largest LGBT communities in the U.S. WalletHub named Dallas the fifth most diverse city in the United States in 2018.

Arlington is a city in the U.S. state of Texas, located in Tarrant County. It forms part of the Mid-Cities region of the Dallas–Fort Worth–Arlington metropolitan statistical area, and is a principal city of the metropolis and region. The city had a population of 394,266 in 2020, making it the second-largest city in the county after Fort Worth. Arlington is the 50th-most populous city in the United States, the seventh-most populous city in the state of Texas, and the largest city in the state that is not a county seat. Arlington is home to the University of Texas at Arlington, a major urban research university, the Arlington Assembly plant used by General Motors, the Nuclear Regulatory Commission Region IV, Texas Health Resources, Mensa International, and D. R. Horton. Additionally, Arlington hosts the Texas Rangers at Globe Life Field, the Dallas Cowboys at AT&T Stadium, the Dallas Wings at College Park Center, the International Bowling Campus (which houses the United States Bowling Congress, International Bowling Museum and the International Bowling Hall of Fame), and the theme parks Six Flags Over Texas (the original Six Flags) and Hurricane Harbor.