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This 'list of regions of the United States' includes official (governmental) and non-official 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. Defunct, extinct or archaic regions are described in historic regions of the United States. (See also: )

Contents

Interstate regions

Official U.S. regions

Bureau of Reclamation Regions

Census Bureau-designated areas

Standard Federal Regions

Judicial circuits

Federal Reserve banks

Time Zones

Unofficial U.S. multi-state regions

The "Belts"

Interstate metropolitan areas

Interstate megalopoleis

Intrastate regions

Geographic Divisions

See also

Interstate regions

Official U.S. regions

Regions defined in law or regulations by the federal government.

Bureau of Reclamation Regions

The Bureau of Reclamation divides the western United States into five regions:

★ Great Plains Region - Billings, Montana

★ Lower Colorado Region - Boulder City, Nevada

★ Mid-Pacific Region - Sacramento, California

★ Pacific Northwest Region - Boise, Idaho

★ Upper Colorado Region - Salt Lake City, Utah

Census Bureau-designated areas

Regional divisions used by the United States Census Bureau

★ Region 1 (Northeast)

★
★ Division 1 (New England)

★
★ Division 2 (Middle Atlantic)

★ Region 2 (Midwest)

★
★ Division 3 (East North Central)

★
★ Division 4 (West North Central)

★ Region 3 (South)

★
★ Division 5 (South Atlantic)

★
★ Division 6 (East South Central)

★
★ Division 7 (West South Central)

★ Region 4 (West)

★
★ Division 8 (Mountain)

★
★ Division 9 (Pacific)

Standard Federal Regions

The ten standard Federal Regions were established by OMB (Office of Management and Budget) Circular A-105, ''"Standard Federal Regions,"'' in April, 1974, and required for all executive agencies. In recent years, some agencies have tailored their field structures to meet program needs and facilitate interaction with local, state and regional counterparts. The OMB must still approve any departures, however.

★ Region I: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont

★ Region II: New Jersey, New York, Puerto Rico, Virgin Islands

★ Region III: Delaware, Maryland, Pennsylvania, Virginia, West Virginia

★ Region IV: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee

★ Region V: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin

★ Region VI: Arkansas, Louisiana, New Mexico, Texas, Oklahoma

★ Region VII: Iowa, Kansas, Missouri, Nebraska

★ Region VIII: Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming

★ Region IX: Arizona, California, Hawaii, Nevada (American Samoa, Guam, Northern Mariana Islands, Trust Territory of the Pacific Islands)

★ Region X: Alaska, Idaho, Oregon, Washington

Judicial circuits

As designated by Congress, the federal court system is divided into eleven judicial circuits, each with its own United States Court of Appeals. (There are also a District of Columbia Circuit and a Federal Circuit, both of which sit in Washington D.C. and have special, non-geographic jurisdictions.)

★ 1^st Circuit (Courthouse in Boston, Massachusetts)

★ 2^nd Circuit (Courthouse in New York, New York)

★ 3^rd Circuit (Courthouse in Philadelphia, Pennsylvania)

★ 4^th Circuit (Courthouse in Richmond, Virginia)

★ 5^th Circuit (Courthouse in New Orleans, Louisiana)

★ 6^th Circuit (Courthouse in Cincinnati, Ohio)

★ 7^th Circuit (Courthouse in Chicago, Illinois)

★ 8^th Circuit (Courthouse in St. Louis, Missouri)

★ 9^th Circuit (meeting places vary from California to Alaska, but headquarters are in San Francisco, California)

★ 10^th Circuit (Courthouse in Denver, Colorado)

★ 11^th Circuit (Courthouse in Atlanta, Georgia)

Federal Reserve banks

The Federal Reserve Act of 1913 divided the country into twelve regions with a central Reserve Bank in each.
The Federal Reserve Districts are as follows:
# Boston
# New York
# Philadelphia
# Cleveland
# Richmond
# Atlanta
# Chicago
# St Louis
# Minneapolis
# Kansas City
# Dallas
# San Francisco

Time Zones

Main articles: United States time zones


★ Hawaii-Aleutian Standard Time Zone

★ Alaska Standard Time Zone

★ Pacific Standard Time Zone

★ Mountain Standard Time Zone

★ Central Standard Time Zone

★ Eastern Standard Time Zone

Unofficial U.S. multi-state regions

★ Appalachia

★ American West

★ Ark-La-Tex

★ Atlantic Seaboard

★ Bible Belt

★ Blackstone River Valley

★ Border states:

★
★ Civil War Border States

★
★ International Border states

★ The Carolinas

★ Cascadia

★ Central United States

★ Champlain Valley

★ Coastal States

★ Colorado Plateau

★ Continental United States

★ Columbia River Basin

★ The Dakotas

★ Deep South

★ Delmarva Peninsula

★ Dixie

★ Driftless Zone

★ East Coast

★ Eastern Seaboard

★ Eastern United States

★ Four Corners

★ Frontier Strip

★ Great American Desert

★ Great Basin

★ Great Lakes Region

★ Great North Woods

★ Great Plains

★ Great Valley

★ Gulf Coast

★ Gulf South

★ High Plains

★ Inland Empire (Pacific Northwest)

★ Interior Plains

★ Intermountain States

★ International Border states

★ Lake Tahoe

★ Llano Estacado

★ Mid-Atlantic

★ Middle America

★ The Midwest

★ Mississippi Delta

★ Mississippi Valley

★ Mojave Desert

★ Mountain states

★ New England

★ Ohio Valley

★ Ozarks

★ Pacific States

★ Pacific Northwest

★ Palouse

★ Piedmont

★ Piney Woods

★ Shawnee Hills

★ Shenandoah Valley

★ Siouxland

★ Southeastern United States

★ Southwest

★ Southwest Extreme Triangle

★ Susquehanna Valley

★ Suwanee River Valley

★ Tennessee Valley

★ Trans-Appalachia

★ Upland South

★ Upper Midwest

★ The Virginias

★ Waxhaws

★ West Coast

★ Western United States

The "Belts"

''Main article: "Belt" regions of the United States''

★ Bible Belt

★ Black Belt

★ Corn Belt

★ Cotton Belt

★ Grain Belt

★ Rust Belt

★ Snowbelt

★ Sun Belt

Interstate metropolitan areas

★ Augusta-Aiken Metropolitan Area

★ Baltimore-Washington Metropolitan Area

★ Charlotte Metropolitan Area

★ Chicago Metropolitan Area

★ Evansville-Henderson Metropolitan Area

★ Cincinnati/Northern Kentucky Metropolitan Area

★ Delaware Valley

★ Kansas City Metropolitan Area

★ Louisville Metropolitan Area

★ Memphis Metropolitan Area

★ Michiana

★ Minneapolis-Saint Paul

★ National Capital Region

★ New York Metropolitan Area, the Tri-State Region

★ Omaha-Council Bluffs Metropolitan Area

★ Portland Metropolitan Area

★ Quad Cities

★ Sacramento-Arden-Arcade-Yuba City

★ Southeastern New England

★ St. Louis Metropolitan Area

★ Tri-Cities (Tennessee-Virginia)

★ Twin Ports (Duluth, Minnesota-Superior, Wisconsin)

Interstate megalopoleis

★ BosWash

★ Cascadia megacity

★ ChiPitts

★ SanSan

Intrastate regions

Alabama

★ Greater Birmingham

★ Black Belt

★ Central Alabama

★ Alabama Gulf Coast

★ Lower Alabama

★ Mobile Bay

★ North Alabama

★ Northeast Alabama

★ South Alabama

Alaska

★ Arctic Alaska

★ Alaskan Bush

★ Alaska Interior

★ Alaska North Slope

★ Alaska Panhandle

★ Aleutian Islands

★ Kenai Peninsula

★ Seward Peninsula

★ South Central Alaska

★ Southeast Alaska

★ Southwest Alaska

★ Tanana Valley

Arizona

Main articles: Regions of Arizona



★ Arizona Strip (map, pictured right)

★ Grand Canyon

★ North Central Arizona

★ Northeast Arizona

★ Northern Arizona

★ Phoenix metropolitan area

★ Southern Arizona

★ Baja Arizona

Arkansas

★ Ozarks

★ Ouachita Mountains

★ Mississippi Alluvial Plain

★ Western Arkansas

★ West Gulf Coastal Plain

★ Crowley's Ridge

★ Arkansas River Valley

★ Little Rock Metropolitan Area

California

★ North Coast

★ Sierra Nevada

★ Owens Valley

★ Central Valley

★
★ Sacramento Valley

★
★
★ Yuba-Sutter Area

★
★
★
★ Sutter Buttes

★
★ San Joaquin Valley

★ Central Coast

★
★ Big Sur

★
★ Salinas Valley

★ Northern California

★
★ San Francisco Bay Area

★
★
★ Silicon Valley

★
★
★ The Peninsula

★
★
★ Santa Clara Valley

★
★
★ North Bay

★
★
★ East Bay

★
★ Tri-Valley Area

★
★ Redwood Empire

★
★ Gold Country

★
★ Wine Country

★
★
★ Napa Valley

★
★
★ Russian River Valley

★
★
★ Sonoma Valley

★
★ Shasta Cascade

★
★ Yosemite

★ SanSan

★ Southern California

★
★ Tech Coast

★
★ Greater Los Angeles Area

★
★
★ Beach Cities

★
★
★ Conejo Valley

★
★
★ Crescenta Valley

★
★
★ East Los Angeles

★
★
★ Gateway Cities

★
★
★ Harbor Area

★
★
★ Palos Verdes Peninsula

★
★
★ Santa Clarita Valley

★
★
★ San Gabriel Valley

★
★
★ San Fernando Valley

★
★
★ South Bay

★
★
★ South Los Angeles

★
★
★ West Los Angeles

★
★ Inland Empire

★
★
★ Cucamonga Valley

★
★
★ Pomona Valley

★
★
★ Victor Valley

★
★ Imperial Valley

★
★
★ Coachella Valley (Palm Springs area)

★
★ Mojave Desert

★
★
★
★ Antelope Valley

★
★ mountains

★
★ Orange County Area

★
★ San Diego Area

★
★
★ North County

★ Channel Islands

Colorado

★ Central Colorado

★ The Eastern Plains

★ Colorado Mineral Belt

★ The Front Range

★ Denver-Aurora Metropolitan Area

★ The High Rockies

★ San Luis Valley

★ The Western Slope

★ Northwestern Colorado

★ South-Central Colorado

★ Southwestern Colorado

Connecticut

★ Coastal Connecticut

★ Connecticut Panhandle

★ Inland Connecticut

★ New York Metropolitan Area/Gold Coast

★ Litchfield Hills

★ Naugatuck River Valley

★ Greater New Haven

★ Greater Hartford

★ Lower Connecticut River Valley

★ Quiet Corner

★ Southeastern Connecticut

★ Southwestern Connecticut

Delaware

★ Delaware Coast

★ Delaware Valley

★ Cape Region

Florida

★ Big Bend

★ Central Florida

★
★ Orlando Area

★ First Coast

★ Florida Heartland

★ Florida Keys

★ Florida Panhandle

★
★ Emerald Coast

★ Nature Coast

★ North Central Florida

★ South Florida

★
★ Gold Coast

★ Southwest Florida

★ Space Coast

★ Sun Coast

★ Tampa Bay Area

★ Treasure Coast

Georgia

★ Central Savannah River Area

★ Colonial Coast

★ Georgia Mountains Region

★ The Golden Isles of Georgia

★ Historic South

★ Inland Empire

★ Metro Atlanta

★ Southern Rivers

Hawaii

★ Hawaii / Big Island

★
★ Puna District

★ Kahoolawe

★ Kauai

★ Lānai

★ Maui

★ Molokai

★ Niihau

★ Northwestern Hawaiian Islands

★ Oahu

Idaho

★ Idaho Panhandle

★ Magic Valley

★ Southern Idaho

★ Central Idaho

★ North Idaho

★ Eastern Idaho

★ Magic Valley

Illinois

Main articles: Regions of Illinois


★ Chicagoland

★ Champaign-Urbana Metropolitan Area

★ Central Illinois

★ Little Egypt

★ Fox Valley

★ Metro-East

★ American Bottom

★ The Tract

★ Northwestern Illinois

★ Southern Illinois

Indiana

★ East Central Indiana

★ Michiana

★ Nine-County Region

★ Northern Indiana

★ Northwest Indiana

★ Southern Indiana

★ Wabash Valley

Iowa

★ Iowa Great Lakes

★ Loess Hills

★ Quad Cities

★ East-Central Iowa

★ Eastern Iowa

★ Great River Road

★ Western Iowa

Kansas

★ Cherokee Strip

★ East-Central Kansas

★ Santa Fe Trail

★ Southeast Kansas

Kentucky

★ The Bluegrass

★ Central Kentucky

★ Cumberland Plateau

★ Eastern Mountain Coal Fields

★ The Knobs

★ Northern Kentucky

★ Pennyroyal Plateau

★ The Purchase

★ Western Coal Fields

Louisiana

★ Acadiana
:
★ Cajun Heartland
:
★ River Parishes

★ Central Louisiana (Cen-La)

★ Florida Parishes

★ French Louisiana

★ Greater New Orleans

★ North Louisiana

Maine

★ Acadia

★ Down East

★ High Peaks

★ Maine Highlands

★ Maine North Woods

★ Maine Southern Coast

★ Mid Coast

★ Penobscot Bay

★ Western Maine Mountains / Maine Lake Country

Maryland

★ Baltimore-Washington Metropolitan Area

★ Chesapeake Bay

★ Maryland Eastern Shore

★ Southern Maryland

★ Western Maryland

★ Capital Region

Massachusetts

★ The Berkshires (map shown, right)

★ Cape Ann

★ Cape Cod

★ Central Massachusetts

★ Greater Boston

★ The Islands (includes Martha's Vineyard and Nantucket)

★ Merrimack Valley

★ MetroWest

★ North Shore

★ Pioneer Valley

★ South Coast

★ South Shore

★ Western Massachusetts

Michigan

★ Lower Peninsula

★
★ Southeast Michigan

★
★ Northern Michigan

★
★ Mid or Central Michigan

★
★ Western Michigan

★
★
★ Michiana

★
★ The Thumb

★
★ Flint/Tri-Cities

★ Upper Peninsula

★
★ Copper Country

★
★ Keweenaw Peninsula

Minnesota

Main articles: Regions of Minnesota



★ Arrowhead Region

★ Boundary Waters

★ Buffalo Ridge

★ Central Minnesota

★ Coulee Region

★ Iron Range

★ Minnesota River Valley

★ North Shore

★ Northwest Angle

★ Pipestone Region

★ Red River Valley

★ Southeast Minnesota

★ Twin Cities Metro

Mississippi

★ Golden Triangle

★ Gulf Coast

★ Natchez District

★ Mississippi Delta

★ Pine Belt

Missouri

★ Little Dixie

★ Missouri Bootheel

★ Natchez Trace

★ Northern Plains

★ Ozarks

Montana

★ Bighorn Country

★ Eastern Montana

★ The Flathead

★ Glacier National Park

★ South Central Montana

★ Southwestern Montana

★ Western Montana

Nebraska

★ Nebraska Panhandle

★ Northwest Nebraska

★ Pine Ridge

★ Rainwater Basin

★ Sandhills

★ Southeast Nebraska

★ Wildcat Hills

Nevada

★ Lake Tahoe

★ Las Vegas Valley

New Hampshire

★ Merrimack Valley (Golden Triangle)

★
★ Souhegan Valley

★ Seacoast Region

★ Monadnock Region

★
★ Connecticut River Valley

★ Dartmouth-Lake Sunapee

★ Lakes Region

★ White Mountains

★
★ Presidential Range

★
★ Pemigewasset Valley

★
★ Saco River Valley

★ Great North Woods

★ Western New Hampshire

★ Central New Hampshire

New Jersey

★ North Jersey

★
★ Skylands

★
★
★ Valley and Ridge

★
★
★ Highlands

★
★ Gateway

★
★
★ Gold Coast

★
★
★ Meadowlands

★
★
★ North Hudson

★
★
★ Pascack Valley

★
★ Delaware Valley

★ Central Jersey

★ South Jersey

★
★ Pine Barrens

★
★ Delaware Valley

★ Jersey Shore

★
★ Bayshore

New Mexico

★ Central New Mexico

★ New Mexico Bootheel

★ Eastern New Mexico

★ Northern New Mexico

New York

★ Downstate New York

★
★ New York Metropolitan Area

★
★
★ The Five Boroughs (New York City)

★
★ Long Island

★
★
★ The Hamptons

★
★
★ North Shore (Gold Coast)

★
★
★ South Shore

★ Upstate New York

★
★ Western New York

★
★
★ The Holland Purchase

★
★
★ Burned-over district

★
★ Finger Lakes

★
★ Leatherstocking Country

★
★ Central New York

★
★
★ Central New York Military Tract

★
★
★ Phelps and Gorham Purchase

★
★ Mohawk Valley

★
★ Southern Tier

★
★ Capital District

★
★ North Country

★
★
★ Adirondack Mountains

★
★ Catskill Mountains

★
★
★ Borscht Belt

★
★ Hudson Valley

★
★
★ Shawangunk Ridge

North Carolina

★ Mountains

★
★ Land of the Sky

★
★
★ Great Smoky Mountains

★
★
★ Blue Ridge Mountains

★
★ Foothills

★ Piedmont

★
★ Piedmont Crescent

★
★ Metrolina (Metro Charlotte)

★
★ Piedmont Triad

★
★ Research Triangle (The Triangle)

★ Coast

★
★ Crystal Coast

★
★ Inner Banks

★
★ Sandhills

★
★ Outer Banks

North Dakota

★ Badlands

★ Missouri Escarpment

★ Missouri River Corridor

★ Red River Valley

Ohio

★ Connecticut Western Reserve (historic, now defunct)

★ Extreme Northwest Ohio

★ Great Black Swamp (shared with Indiana)

★ Greater Cincinnati

★ Greater Cleveland

★ The Lake Erie Islands

★ Miami Valley

★ Northeast Ohio

★ Northwest Ohio

★ Southeast Ohio

Oklahoma

★ Arbuckle Country

★ Central Oklahoma

★ Cherokee Outlet

★ Green Country

★ Little Dixie

★ Northeastern Oklahoma

★ Northwestern Oklahoma

★ Southeastern Oklahoma

★ Southwestern Oklahoma

★ Panhandle (pictured)

Oregon

★ Columbia River Gorge

★ Eastern Oregon

★ Harney Basin

★ Mount Hood Corridor

★ Oregon Coast

★ Rogue Valley

★ Tualatin Valley

★ Western Oregon

★ Willamette Valley

Pennsylvania

Main articles: Pennsylvania Regions



★ Allegheny National Forest

★ Coal Region

★ Cumberland Valley

★ Delaware Valley

★ Dutch Country

★ Endless Mountains

★ Happy Valley

★ Pennsylvania Highlands

★ Laurel Highlands

★ Lehigh Valley

★ Northern Tier

★ Northeastern Pennsylvania

★ Northwest Region

★ Pittsburgh Metro Area

★ The Poconos

★ Susquehanna Valley

★ Wyoming Valley

★ Western Pennsylvania

Rhode Island

★ Block Island

★ Blackstone River Valley

★ East Bay

★ West Bay

★ South County

South Carolina

'Major Regions'

★ 'The Upstate'

★ 'The Midlands'

★ 'The Lowcountry'
'Travel/Tourism Regions'

★ Grand Strand

★ Historic Charleston

★ The Lowcountry & Resort Islands

★ Lake Murray Country

★ Old 96 District

★ Olde English District

★ Pee Dee

★ Santee Cooper Country

★ Thoroughbred Country

★ The Upcountry
'Other Regions'

★ Blue Ridge Mountains

★ The Piedmont

★ The Sandhills

★ South Carolina Coast

★ Sea Islands

★ Metrolina

South Dakota

★ The Badlands

★ Black Hills

★ Coteau des Prairies

Tennessee

Grand Divisions

=
Each of the regions below is legally defined as a "Grand Division", with boundaries entrenched in the state's constitution. The document also has rules restricting geographic bias in the makeup of many state commissions. For example, the state's Supreme Court is required to sit in each of the three Grand Divisions each year, and no more than two of the Court's five Justices may reside in any one Grand Division.

★ East Tennessee

★ Middle Tennessee

★ West Tennessee

Geographic Divisions

★ Highland Rim

★ Nashville Basin

★ Tennessee Valley

Texas

★ Brazos Valley

★ Central Texas

★
★ The Hill Country

★ East Texas

★ Galveston Bay

★ North Texas

★
★ Dallas/Fort Worth Metroplex

★ Northeast Texas

★ Piney Woods

★ Rio Grande Valley

★ South Texas

★ Southeast Texas

★
★ Golden Triangle

★
★ Greater Houston

★ West Texas

★
★ Edwards Plateau

★
★ Permian Basin

★
★ South Plains

★
★ Texas Panhandle (pictured)

★
★ Trans-Pecos

★
★
★ Big Bend

★ Coastal Plains

Utah

★ Cache Valley

★ Canyonlands Desert

★ Colorado Plateau

★ Dixie

★ Great Salt Lake Desert

★ Mojave Desert

★ Southeastern Utah

★ Southwestern Utah

★ Uinta Mountains

★ Wasatch Front

★ Wasatch Back

★ Wasatch Range

Vermont

★ Northeast Kingdom

★ Champlain Valley

★ Mount Mansfield

★ Green Mountains

Virginia

★ Appomattox Basin

★ Eastern Shore

★ Hampton Roads

★ Historic Triangle

★ Middle Peninsula

★ Northern Neck

★ Northern Virginia (sometimes ''NoVA'')

★ Richmond-Petersburg (aka Central Virginia)

★ Shenandoah Valley

★ South Hampton Roads

★ Southside Virginia

★ Southwest Virginia

★ Tidewater

★ Virginia Peninsula

Washington

★ Central Washington

★ Columbia Plateau

★ Eastern Washington

★ Kitsap Peninsula

★ Long Beach Peninsula

★ Okanogan County

★ Olympic Peninsula

★ Puget Sound

★ San Juan Islands

★ Skagit Valley

★ Tri-Cities

★ Walla Walla Valley

★ Western Washington

★ Yakima Valley

West Virginia

★ Eastern Panhandle

★
★ Potomac Highlands

★ North-Central West Virginia

★ Northern Panhandle

★ Southern West Virginia

Wisconsin

★ Central Plain

★ Door Peninsula

★ Eastern Ridges and Lowlands

★ Lake Superior Lowland

★ Northern Highland

★ Western Upland

★ Winnesota

Wyoming

★ Grand Teton

★ Powder River Country

★ Yellowstone

See also

★ Historic regions of the United States

★ Geography of the United States

★ Political divisions of the United States

★ United States territory

★ United States metropolitan area

★

★ Nine Nations of North America

★ List of regions of Canada