High Quality Content by WIKIPEDIA articles! The Dallas–Fort Worth–Arlington Metropolitan Statistical Area, a title designated by the U.S. Census as of 2003, encompasses 12 counties within the U.S. state of Texas. The area is divided into two metropolitan divisions: Dallas–Plano–Irving and Fort Worth–Arlington. Residents of the area informally 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.