From Wikipedia, the free encyclopedia.
This list of regions of the United States includes official governmental, nonofficial and defunct named areas within the borders of the United States, not including U.S. states, the federal district of Washington, D.C or standard subentities such as cities or counties.
Official U.S. regions
Regions defined in law or regulations by the federal government.
Unofficial U.S. regions
Interstate metropolitan areas
Official regions no longer in use
Former U.S. Territories (Incorporated)
NOTE: Please do not redirect these territories to their (apparently) subsequent states. The territorial histories may be different or more complicated that the history of the state proper.
Historical Regions Annexed or Purchased
Formerly Independent Nations