Dallas. City of the united States, in the state of Texas, located in the county of Dallas and some parts of the city are located in the counties of Collin, Denton, Kaufman, and Rockwall. Dallas is the largest city in the united States without connection to the sea because of its central location and its large industry in information technologies.
Dallas-Fort Worth International airport (DFW) is the largest airport in the state, the second largest in the United States, and the third largest in the world; in terms of traffic, it is the seventh largest airport in the world. She is also known for the assassination of President John F. Kennedy on November 22, 1963.