The term COWBOYS' CITY is referring to the city of DALLAS, Texas. DALLAS is a major metropolitan city located in the U.S. state of Texas and is the ninth most populous city in the United States. It is also the third-largest city in Texas and the fourth-largest metropolitan area in the United States. DALLAS is known for its rich history and culture, and is home to the DALLAS Cowboys, one of the most successful professional football teams in the NFL.