The Dallas–Fort Worth–Arlington, TX Metropolitan Statistical Area, the official title designated by the United States Office of Management and Budget, encompasses 13 counties within the U.S. state of Texas. Residents of the area refer to it as the Dallas/Fort Worth Metroplex, DFW, or The Metroplex. It is the economic and cultural hub of the region commonly called North Texas or North Central Texas and is the largest land-locked metropolitan area in the United States.