Multi-state regions •
American Frontier •
Appalachia •
Ark-La-Tex •
Auto Alley •
Backcountry •
Black Dirt Region • Border states: •
Civil War border states •
International border states •
The Californias •
Calumet Region •
The Carolinas •
Cascadia •
Central United States •
Coastal states •
Colorado Plateau •
Columbia Basin •
Contiguous United States •
The Dakotas •
Deep South •
Deseret •
Delmarva Peninsula •
Dixie •
Dixie Alley •
Driftless Area •
East Coast •
Eastern United States •
Flyover country •
Four Corners •
Great American Desert •
Great Appalachian Valley •
Great Basin •
Great Lakes Region •
Gulf Coast •
Heartland •
High Plains •
Interior Highlands •
Ouachita Mountains •
Ozarks •
Interior Plains •
Great Plains •
Black Hills •
Cross Timbers •
Osage Plains •
Intermountain States •
Kentuckiana •
Llano Estacado •
Lower 48 •
Michiana •
Mid-Atlantic states •
Middle America •
Mid-South states •
Midwestern United States •
Mississippi Delta •
Mojave Desert •
Mormon Corridor •
New England •
Northern New England •
Southern New England •
Nickajack •
North Woods •
Northeastern United States •
Northern United States •
Northwestern United States •
Ohio Valley •
Old South •
Old Southwest •
Pacific Northwest •
Inland Northwest •
Palouse •
Piedmont •
Piney Woods •
Rocky Mountains •
Southern Rocky Mountains •
Sierra Nevada •
Siouxland •
Southeastern United States •
Southern United States •
Southwestern United States •
Tidewater •
Tornado Alley •
Trans-Appalachia •
Trans-Mississippi •
Twin Tiers •
Upland South •
Upper Midwest •
Virginias •
Waxhaws •
West Coast •
Western United States Multi-territory regions •
Mariana Islands (
Guam and the
Northern Mariana Islands) •
Samoan Islands (
American Samoa, except
Swains Island) •
Virgin Islands (the
Spanish Virgin Islands and the
U.S. Virgin Islands)
The Belts •
Bible Belt •
Black Belt •
Borscht Belt •
Coal Belt •
Corn Belt •
Cotton Belt •
Fruit Belt •
Great bison belt •
Pine Belt •
Pretzel Belt •
Rice Belt •
Rust Belt •
Salt Belt •
Snowbelt •
Stroke Belt •
Sun Belt •
Unchurched Belt Interstate megalopolises •
Arizona Sun Corridor •
California •
Cascadia •
Great Lakes •
Gulf Coast •
Northeast •
Piedmont Atlantic •
Southern Rocky Mountain Front Interstate metropolitan areas •
Augusta metropolitan area (parts of Georgia and South Carolina) •
Central Savannah River Area (part of Georgia and South Carolina) •
Baltimore–Washington metropolitan area (Washington, D.C. and parts of Maryland, Virginia, West Virginia, and Pennsylvania) •
Washington metropolitan area (District of Columbia and parts of Maryland, Virginia, and West Virginia) •
Greater Boston (parts of Massachusetts, Rhode Island, and New Hampshire) •
Charlotte metropolitan area (parts of North Carolina and South Carolina) •
Chattanooga Metropolitan Area •
Chicago metropolitan area (parts of Illinois, Indiana, and Wisconsin) •
Cincinnati metropolitan area (parts of Ohio, Indiana, and Kentucky) •
Columbus-Auburn-Opelika (GA-AL) Combined Statistical Area (parts of Georgia and Alabama) •
Evansville, IN–KY Metropolitan Statistical Area (parts of Indiana and Kentucky) •
Fargo–Moorhead (parts of North Dakota and Minnesota) •
Fort Smith metropolitan area (parts of Arkansas and Oklahoma) •
Front Range Urban Corridor (parts of Colorado and Wyoming) •
Greater Grand Forks (part of Minnesota and North Dakota) •
Hartford-Springfield (parts of Connecticut and Massachusetts) •
Kansas City metropolitan area (parts of Missouri and Kansas) •
Louisville metropolitan area (Kentuckiana) (parts of Kentucky and Indiana) •
Memphis metropolitan area (parts of Tennessee, Arkansas, and Mississippi) •
Michiana (parts of Michigan and Indiana) •
South Bend-Mishawaka metropolitan area (parts of Indiana and Michigan) •
Minneapolis–Saint Paul (the Twin Cities) (parts of Minnesota and Wisconsin) •
New York metropolitan area (parts of New York, New Jersey, Connecticut, and Pennsylvania) •
Omaha–Council Bluffs metropolitan area (parts of Nebraska and Iowa) •
Philadelphia metropolitan area (parts of Pennsylvania, New Jersey, Delaware, and Maryland) •
Portland metropolitan area (parts of Oregon and Washington) •
Providence metropolitan area (parts of Rhode Island and Massachusetts) •
Quad Cities (parts of Iowa and Illinois) •
Sioux City metropolitan area (parts of Iowa, Nebraska, and South Dakota) •
Sioux Falls metropolitan area (parts of South Dakota and Minnesota) •
Greater St. Louis (parts of Missouri and Illinois) •
Texarkana metropolitan area (parts of Texas and Arkansas) •
Tri-Cities (parts of Tennessee and Virginia) •
Twin Ports (
Duluth, Minnesota and
Superior, Wisconsin) •
Hampton Roads region (parts of Virginia and North Carolina) •
Youngstown–Warren–Boardman metropolitan statistical area (parts of Ohio and Pennsylvania) ==Intrastate and intraterritory regions==