Regions of the United States
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This is a list of some of the ways ''regions'' is defined in the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
. Many regions are defined in law or regulations by the federal government; others by shared culture and history, and others by economic factors.


Interstate regions


Census Bureau-designated regions and divisions

Since 1950, the United States Census Bureau defines four statistical regions, with nine divisions. The Census Bureau region definition is "widely used ... for data collection and analysis","The National Energy Modeling System: An Overview 2003" (Report #: DOE/EIA-0581, October 2009). United States Department of Energy,
Energy Information Administration The U.S. Energy Information Administration (EIA) is a principal agency of the U.S. Federal Statistical System responsible for collecting, analyzing, and disseminating energy information to promote sound policymaking, efficient markets, and publ ...
. and is the most commonly used classification system. * Region 1:
Northeast The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each sep ...
** Division 1:
New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian provinces ...
(
Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the ...
,
Maine Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and nor ...
,
Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
,
New Hampshire New Hampshire is a U.S. state, state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...
,
Rhode Island Rhode Island (, like ''road'') is a U.S. state, state in the New England region of the Northeastern United States. It is the List of U.S. states by area, smallest U.S. state by area and the List of states and territories of the United States ...
, and
Vermont Vermont () is a U.S. state, state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York (state), New York to the west, and the Provin ...
) ** Division 2:
Middle Atlantic Middle or The Middle may refer to: * Centre (geometry), the point equally distant from the outer limits. Places * Middle (sheading), a subdivision of the Isle of Man * Middle Bay (disambiguation) * Middle Brook (disambiguation) * Middle Creek ...
(
New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...
,
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
, and
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
) * Region 2:
Midwest The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four Census Bureau Region, census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of ...
(Prior to June 1984, the Midwest Region was designated as the North Central Region.) ** Division 3: East North Central (
Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Rock ...
,
Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th ...
,
Michigan Michigan () is a state in the Great Lakes region of the upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the 10th-largest state by population, the 11th-largest by area, and t ...
,
Ohio Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ...
, and
Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...
) ** Division 4: West North Central (
Iowa Iowa () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wiscon ...
,
Kansas Kansas () is a U.S. state, state in the Midwestern United States, Midwestern United States. Its Capital city, capital is Topeka, Kansas, Topeka, and its largest city is Wichita, Kansas, Wichita. Kansas is a landlocked state bordered by Nebras ...
,
Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over t ...
,
Missouri Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it is bordered by eight states (tied for the most with Tennessee): Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas t ...
,
Nebraska Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the sout ...
,
North Dakota North Dakota () is a U.S. state in the Upper Midwest, named after the indigenous Dakota Sioux. North Dakota is bordered by the Canadian provinces of Saskatchewan and Manitoba to the north and by the U.S. states of Minnesota to the east, ...
, and
South Dakota South Dakota (; Sioux: , ) is a U.S. state in the North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota and Dakota Sioux Native American tribes, who comprise a large po ...
) * Region 3:
South South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both east and west. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþa ...
** Division 5:
South Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Africa, Europe a ...
(
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
;
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and ...
;
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
;
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean t ...
;
North Carolina North Carolina () is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. The state is the List of U.S. states and territories by area, 28th largest and List of states and territories of the United ...
;
South Carolina )''Animis opibusque parati'' ( for, , Latin, Prepared in mind and resources, links=no) , anthem = " Carolina";" South Carolina On My Mind" , Former = Province of South Carolina , seat = Columbia , LargestCity = Charleston , LargestMetro = ...
;
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are ...
; Washington, D.C. and
West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the ...
) ** Division 6: East South Central (
Alabama (We dare defend our rights) , anthem = " Alabama" , image_map = Alabama in United States.svg , seat = Montgomery , LargestCity = Huntsville , LargestCounty = Baldwin County , LargestMetro = Greater Birmingham , area_total_km2 = 135,7 ...
,
Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virginia ...
,
Mississippi Mississippi () is a state in the Southeastern region of the United States, bordered to the north by Tennessee; to the east by Alabama; to the south by the Gulf of Mexico; to the southwest by Louisiana; and to the northwest by Arkansas. Miss ...
, and
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. Tennessee is the List of U.S. states and territories by area, 36th-largest by ...
) ** Division 7: West South Central (
Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the O ...
,
Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is bord ...
,
Oklahoma Oklahoma (; Choctaw: ; chr, ᎣᎧᎳᎰᎹ, ''Okalahoma'' ) is a state in the South Central region of the United States, bordered by Texas on the south and west, Kansas on the north, Missouri on the northeast, Arkansas on the east, New ...
, and
Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...
) * Region 4:
West West or Occident is one of the four cardinal directions or points of the compass. It is the opposite direction from east and is the direction in which the Sun sets on the Earth. Etymology The word "west" is a Germanic word passed into some ...
** Division 8:
Mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher ...
(
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
,
Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of the ...
,
Idaho Idaho ( ) is a U.S. state, state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Monta ...
,
Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...
,
Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...
,
New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe, New Mexico, Santa Fe , LargestCity = Albuquerque, New Mexico, Albuquerque , LargestMetro = Albuquerque metropolitan area, Tiguex , Offi ...
,
Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to its ...
, and
Wyoming Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to t ...
) ** Division 9: Pacific (
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U ...
,
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
,
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...
,
Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...
, and
Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...
) Puerto Rico and other US territories are not part of any census region or census division.


Standard Federal Regions

The ten standard federal regions were established by OMB (
Office of Management and Budget The Office of Management and Budget (OMB) is the largest office within the Executive Office of the President of the United States (EOP). OMB's most prominent function is to produce the president's budget, but it also examines agency programs, pol ...
) Circular A-105, ''"Standard Federal Regions",'' in April 1974, and went into use for all
executive Executive ( exe., exec., execu.) may refer to: Role or title * Executive, a senior management role in an organization ** Chief executive officer (CEO), one of the highest-ranking corporate officers (executives) or administrators ** Executive di ...
agencies. In recent years, some agencies have tailored their field structures to meet program needs and facilitate interaction with local, state, and regional counterparts. However, the OMB must still approve any departures. * Region I:
Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the ...
,
Maine Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and nor ...
,
Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
,
New Hampshire New Hampshire is a U.S. state, state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...
,
Rhode Island Rhode Island (, like ''road'') is a U.S. state, state in the New England region of the Northeastern United States. It is the List of U.S. states by area, smallest U.S. state by area and the List of states and territories of the United States ...
,
Vermont Vermont () is a U.S. state, state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York (state), New York to the west, and the Provin ...
* Region II:
New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...
,
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
,
Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and unincorporated ...
,
US Virgin Islands The United States Virgin Islands,. Also called the ''American Virgin Islands'' and the ''U.S. Virgin Islands''. officially the Virgin Islands of the United States, are a group of Caribbean islands and an unincorporated and organized territory ...
* Region III:
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
,
District of Columbia ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle (Washington, D.C.), Logan Circle, Jefferson Memoria ...
,
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean t ...
,
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
,
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are ...
,
West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the ...
* Region IV:
Alabama (We dare defend our rights) , anthem = " Alabama" , image_map = Alabama in United States.svg , seat = Montgomery , LargestCity = Huntsville , LargestCounty = Baldwin County , LargestMetro = Greater Birmingham , area_total_km2 = 135,7 ...
,
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and ...
,
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
,
Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virginia ...
,
Mississippi Mississippi () is a state in the Southeastern region of the United States, bordered to the north by Tennessee; to the east by Alabama; to the south by the Gulf of Mexico; to the southwest by Louisiana; and to the northwest by Arkansas. Miss ...
,
North Carolina North Carolina () is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. The state is the List of U.S. states and territories by area, 28th largest and List of states and territories of the United ...
,
South Carolina )''Animis opibusque parati'' ( for, , Latin, Prepared in mind and resources, links=no) , anthem = " Carolina";" South Carolina On My Mind" , Former = Province of South Carolina , seat = Columbia , LargestCity = Charleston , LargestMetro = ...
,
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. Tennessee is the List of U.S. states and territories by area, 36th-largest by ...
* Region V:
Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Rock ...
,
Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th ...
,
Michigan Michigan () is a state in the Great Lakes region of the upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the 10th-largest state by population, the 11th-largest by area, and t ...
,
Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over t ...
,
Ohio Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ...
,
Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...
* Region VI: Arkansas, Louisiana, New Mexico, Oklahoma, Texas * 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 * Region X: Alaska, Idaho, Oregon, Washington Note: OMB Circular A-105 was rescinded on June 8, 1995.


Federal Reserve Banks

The
Federal Reserve Act of 1913 The Federal Reserve Act was passed by the 63rd United States Congress and signed into law by President Woodrow Wilson on December 23, 1913. The law created the Federal Reserve System, the central banking system of the United States. The Panic ...
divided the country into twelve districts with a central
Federal Reserve Bank A Federal Reserve Bank is a regional bank of the Federal Reserve System, the central banking system of the United States. There are twelve in total, one for each of the twelve Federal Reserve Districts that were created by the Federal Reserve ...
in each district. These twelve Federal Reserve Banks together form a major part of the
Federal Reserve System The Federal Reserve System (often shortened to the Federal Reserve, or simply the Fed) is the central banking system of the United States of America. It was created on December 23, 1913, with the enactment of the Federal Reserve Act, after ...
, the
central bank A central bank, reserve bank, or monetary authority is an institution that manages the currency and monetary policy of a country or monetary union, and oversees their commercial banking system. In contrast to a commercial bank, a centra ...
ing system of the United States.
Missouri Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it is bordered by eight states (tied for the most with Tennessee): Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas t ...
is the only U.S. state to have two Federal Reserve locations within its borders, but several other states are also divided between more than one district. #
Boston Boston (), officially the City of Boston, is the state capital and most populous city of the Commonwealth of Massachusetts, as well as the cultural and financial center of the New England region of the United States. It is the 24th- mo ...
#
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
#
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
#
Cleveland Cleveland ( ), officially the City of Cleveland, is a city in the United States, U.S. U.S. state, state of Ohio and the county seat of Cuyahoga County, Ohio, Cuyahoga County. Located in the northeastern part of the state, it is situated along ...
#
Richmond Richmond most often refers to: * Richmond, Virginia, the capital of Virginia, United States * Richmond, London, a part of London * Richmond, North Yorkshire, a town in England * Richmond, British Columbia, a city in Canada * Richmond, Californi ...
#
Atlanta Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,7 ...
#
Chicago (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = List of sovereign states, Count ...
# St. Louis #
Minneapolis Minneapolis () is the largest city in Minnesota, United States, and the county seat of Hennepin County. The city is abundant in water, with thirteen lakes, wetlands, the Mississippi River, creeks and waterfalls. Minneapolis has its origin ...
#
Kansas City The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With and a population of more th ...
#
Dallas Dallas () is the third largest city in Texas and the largest city in the Dallas–Fort Worth metroplex, the fourth-largest metropolitan area in the United States at 7.5 million people. It is the largest city in and seat of Dallas County ...
#
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...


Time zones

* UTC−12:00 (
Baker Island Baker Island, formerly known as New Nantucket, is an uninhabited atoll just north of the Equator in the central Pacific Ocean about southwest of Honolulu. The island lies almost halfway between Hawaii and Australia. Its nearest neighbor is H ...
,
Howland Island Howland Island () is an uninhabited coral island located just north of the equator in the central Pacific Ocean, about southwest of Honolulu. The island lies almost halfway between Hawaii and Australia and is an unorganized, unincorporated ter ...
) *
Samoa Time Zone 250px, SST is UTC-11:00 The Samoa Time Zone or Samoa Standard Time (SST) observes standard time by subtracting eleven hours from Coordinated Universal Time ( UTC-11:00). The clock time in this zone is based on the mean solar time of the 165t ...
(
American Samoa American Samoa ( sm, Amerika Sāmoa, ; also ' or ') is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the island country of Samoa. Its location is centered on . It is east of the Internatio ...
,
Jarvis Island Jarvis Island (; formerly known as Bunker Island or Bunker's Shoal) is an uninhabited coral island located in the South Pacific Ocean, about halfway between Hawaii and the Cook Islands. It is an unincorporated, unorganized territory of the Un ...
,
Kingman Reef Kingman Reef is a largely submerged, uninhabited, triangle-shaped reef, geologically an atoll, east-west and north-south, in the North Pacific Ocean, roughly halfway between the Hawaiian Islands and American Samoa. It has an area of 3 hectar ...
,
Midway Atoll Midway Atoll (colloquial: Midway Islands; haw, Kauihelani, translation=the backbone of heaven; haw, Pihemanu, translation=the loud din of birds, label=none) is a atoll in the North Pacific Ocean. Midway Atoll is an insular area of the Unit ...
, Palmyra Atoll) *
Hawaii–Aleutian Time Zone The Hawaii–Aleutian Time Zone observes Hawaii–Aleutian Standard Time (HST) by subtracting ten hours from Coordinated Universal Time ( UTC−10:00). The clock time in this zone is based on the mean solar time of the 150th meridian west of the ...
(
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...
, Aleutian Islands (Alaska),
Johnston Atoll Johnston Atoll is an unincorporated territory of the United States, currently administered by the United States Fish and Wildlife Service (USFWS). Johnston Atoll is a National Wildlife Refuge and part of the Pacific Remote Islands Marine Nati ...
) * Alaska Time Zone (
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U ...
, excluding Aleutian Islands) *
Pacific Time Zone The Pacific Time Zone (PT) is a time zone encompassing parts of western Canada, the western United States, and western Mexico. Places in this zone observe standard time by subtracting eight hours from Coordinated Universal Time ( UTC−08:00 ...
* Arizona Time Zone (excluding the
Navajo Nation The Navajo Nation ( nv, Naabeehó Bináhásdzo), also known as Navajoland, is a Native Americans in the United States, Native American Indian reservation, reservation in the United States. It occupies portions of northeastern Arizona, northwe ...
) *
Mountain Time Zone The Mountain Time Zone of North America keeps time by subtracting seven hours from Coordinated Universal Time (UTC) when standard time ( UTC−07:00) is in effect, and by subtracting six hours during daylight saving time ( UTC−06:00). The clo ...
(excluding most parts of
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
) *
Central Time Zone The North American Central Time Zone (CT) is a time zone in parts of Canada, the United States, Mexico, Central America, some Caribbean Islands, and part of the Eastern Pacific Ocean. Central Standard Time (CST) is six hours behind Coordin ...
*
Eastern Time Zone The Eastern Time Zone (ET) is a time zone encompassing part or all of 23 states in the eastern part of the United States, parts of eastern Canada, the state of Quintana Roo in Mexico, Panama, Colombia, mainland Ecuador, Peru, and a smal ...
*
Atlantic Time Zone The Atlantic Time Zone is a geographical region that keeps standard time—called Atlantic Standard Time (AST)—by subtracting four hours from Coordinated Universal Time ( UTC), resulting in UTC−04:00. AST is observed in parts of North America ...
(
Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and unincorporated ...
, U.S. Virgin Islands) * Chamorro Time Zone (
Guam Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. It is the westernmost point and territory of the United States (reckoned from the geographic cent ...
,
Northern Mariana Islands The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI; ch, Sankattan Siha Na Islas Mariånas; cal, Commonwealth Téél Falúw kka Efáng llól Marianas), is an unincorporated territory and commonw ...
) * Wake Island Time Zone (
Wake Island Wake Island ( mh, Ānen Kio, translation=island of the kio flower; also known as Wake Atoll) is a coral atoll in the western Pacific Ocean in the northeastern area of the Micronesia subregion, east of Guam, west of Honolulu, southeast of T ...
)


Courts of Appeals circuits

*
First Circuit The United States Court of Appeals for the First Circuit (in case citations, 1st Cir.) is a federal court with appellate jurisdiction over the district courts in the following districts: * District of Maine * District of Massachusetts * ...
*
Second Circuit The United States Court of Appeals for the Second Circuit (in case citations, 2d Cir.) is one of the thirteen United States Courts of Appeals. Its territory comprises the states of Connecticut, New York and Vermont. The court has appellate jur ...
*
Third Circuit The United States Court of Appeals for the Third Circuit (in case citations, 3d Cir.) is a federal court with appellate jurisdiction over the district courts for the following districts: * District of Delaware * District of New Jersey * Eas ...
* Fourth Circuit *
Fifth Circuit The United States Court of Appeals for the Fifth Circuit (in case citations, 5th Cir.) is a federal court with appellate jurisdiction over the district courts in the following federal judicial districts: * Eastern District of Louisiana * Mi ...
* Sixth Circuit * Seventh Circuit * Eighth Circuit *
Ninth Circuit The United States Court of Appeals for the Ninth Circuit (in case citations, 9th Cir.) is the U.S. federal court of appeals that has appellate jurisdiction over the U.S. district courts in the following federal judicial districts: * District ...
* Tenth Circuit *
Eleventh Circuit The United States Court of Appeals for the Eleventh Circuit (in case citations, 11th Cir.) is a federal court with appellate jurisdiction over the following U.S. district courts: * Middle District of Alabama * Northern District of Alabama * ...
* D.C. Circuit The
Federal Circuit The United States Court of Appeals for the Federal Circuit (in case citations, Fed. Cir. or C.A.F.C.) is a United States court of appeals that has special appellate jurisdiction over certain types of specialized cases in the U.S. federal court ...
is not a regional circuit. Its jurisdiction is nationwide but based on the subject matter.


Bureau of Economic Analysis regions

The
Bureau of Economic Analysis The Bureau of Economic Analysis (BEA) of the United States Department of Commerce is a U.S. government agency that provides official macroeconomic and industry statistics, most notably reports about the gross domestic product (GDP) of the United ...
defines regions for comparison of economic data. * New England:
Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the ...
,
Maine Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and nor ...
,
Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
,
New Hampshire New Hampshire is a U.S. state, state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...
,
Rhode Island Rhode Island (, like ''road'') is a U.S. state, state in the New England region of the Northeastern United States. It is the List of U.S. states by area, smallest U.S. state by area and the List of states and territories of the United States ...
, and
Vermont Vermont () is a U.S. state, state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York (state), New York to the west, and the Provin ...
* Mideast:
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
,
District of Columbia ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle (Washington, D.C.), Logan Circle, Jefferson Memoria ...
,
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean t ...
,
New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...
,
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
, and
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
* Great Lakes:
Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Rock ...
,
Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th ...
,
Michigan Michigan () is a state in the Great Lakes region of the upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the 10th-largest state by population, the 11th-largest by area, and t ...
,
Ohio Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ...
, and
Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...
* Plains:
Iowa Iowa () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wiscon ...
,
Kansas Kansas () is a U.S. state, state in the Midwestern United States, Midwestern United States. Its Capital city, capital is Topeka, Kansas, Topeka, and its largest city is Wichita, Kansas, Wichita. Kansas is a landlocked state bordered by Nebras ...
,
Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over t ...
,
Missouri Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it is bordered by eight states (tied for the most with Tennessee): Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas t ...
,
Nebraska Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the sout ...
,
North Dakota North Dakota () is a U.S. state in the Upper Midwest, named after the indigenous Dakota Sioux. North Dakota is bordered by the Canadian provinces of Saskatchewan and Manitoba to the north and by the U.S. states of Minnesota to the east, ...
, and
South Dakota South Dakota (; Sioux: , ) is a U.S. state in the North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota and Dakota Sioux Native American tribes, who comprise a large po ...
* Southeast:
Alabama (We dare defend our rights) , anthem = " Alabama" , image_map = Alabama in United States.svg , seat = Montgomery , LargestCity = Huntsville , LargestCounty = Baldwin County , LargestMetro = Greater Birmingham , area_total_km2 = 135,7 ...
,
Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the O ...
,
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and ...
,
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
,
Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virginia ...
,
Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is bord ...
,
Mississippi Mississippi () is a state in the Southeastern region of the United States, bordered to the north by Tennessee; to the east by Alabama; to the south by the Gulf of Mexico; to the southwest by Louisiana; and to the northwest by Arkansas. Miss ...
,
North Carolina North Carolina () is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. The state is the List of U.S. states and territories by area, 28th largest and List of states and territories of the United ...
,
South Carolina )''Animis opibusque parati'' ( for, , Latin, Prepared in mind and resources, links=no) , anthem = " Carolina";" South Carolina On My Mind" , Former = Province of South Carolina , seat = Columbia , LargestCity = Charleston , LargestMetro = ...
,
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. Tennessee is the List of U.S. states and territories by area, 36th-largest by ...
,
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are ...
, and
West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the ...
* Southwest:
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
,
New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe, New Mexico, Santa Fe , LargestCity = Albuquerque, New Mexico, Albuquerque , LargestMetro = Albuquerque metropolitan area, Tiguex , Offi ...
,
Oklahoma Oklahoma (; Choctaw: ; chr, ᎣᎧᎳᎰᎹ, ''Okalahoma'' ) is a state in the South Central region of the United States, bordered by Texas on the south and west, Kansas on the north, Missouri on the northeast, Arkansas on the east, New ...
, and
Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...
* Rocky Mountain:
Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of the ...
,
Idaho Idaho ( ) is a U.S. state, state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Monta ...
,
Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...
,
Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to its ...
, and
Wyoming Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to t ...
* Far West:
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U ...
,
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
,
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...
,
Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...
,
Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...
, and
Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...


Energy Information Administration

The
Energy Information Administration The U.S. Energy Information Administration (EIA) is a principal agency of the U.S. Federal Statistical System responsible for collecting, analyzing, and disseminating energy information to promote sound policymaking, efficient markets, and publ ...
currently uses the
PADD In the ''Star Trek'' fictional universe, LCARS (; an acronym for Library Computer Access/Retrieval System) is a computer operating system. Within ''Star Trek'' chronology, the term was first used in the '' Star Trek: The Next Generation'' serie ...
system established by Petroleum Administration for War in
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
. It is used for data collection on refining petroleum and its products. Each PADD is subdivided into refining districts. * PADD I: East Coast ** East Coast: Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New Jersey, Delaware, Maryland, Virginia, North Carolina, South Carolina, Georgia, Florida; along with counties in New York east of, north of and including
Cayuga Cayuga often refers to: * Cayuga people, a native tribe to North America, part of the Iroquois Confederacy * Cayuga language, the language of the Cayuga Cayuga may also refer to: Places Canada * Cayuga, Ontario United States * Cayuga, Illinoi ...
, Tompkins, and Chemung; and counties in Pennsylvania east of and including
Bradford Bradford is a city and the administrative centre of the City of Bradford district in West Yorkshire, England. The city is in the Pennines' eastern foothills on the banks of the Bradford Beck. Bradford had a population of 349,561 at the 2011 ...
, Sullivan,
Columbia Columbia may refer to: * Columbia (personification), the historical female national personification of the United States, and a poetic name for America Places North America Natural features * Columbia Plateau, a geologic and geographic region i ...
, Montour,
Northumberland Northumberland () is a county in Northern England, one of two counties in England which border with Scotland. Notable landmarks in the county include Alnwick Castle, Bamburgh Castle, Hadrian's Wall and Hexham Abbey. It is bordered by land ...
, Dauphin and
York York is a cathedral city with Roman origins, sited at the confluence of the rivers Ouse and Foss in North Yorkshire, England. It is the historic county town of Yorkshire. The city has many historic buildings and other structures, such as a ...
. ** Appalachian No. 1: West Virginia along with counties of Pennsylvania and New York State not mentioned above. * PADD II:
Midwest The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four Census Bureau Region, census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of ...
** Indiana-Illinois-Kentucky: Indiana, Illinois, Kentucky, Tennessee, Michigan, Ohio ** Minnesota-Wisconsin-North and South Dakota: Minnesota, Wisconsin, North Dakota, South Dakota ** Oklahoma-Kansas-Missouri: Oklahoma, Kansas, Missouri, Nebraska, Iowa * PADD III:
Gulf Coast The Gulf Coast of the United States, also known as the Gulf South, is the coast, coastline along the Southern United States where they meet the Gulf of Mexico. The list of U.S. states and territories by coastline, coastal states that have a shor ...
** Texas Gulf Coast: The Texan counties of Newton, Orange, Jefferson, Jasper, Tyler, Hardin, Liberty, Chambers, Polk, San Jacinto, Montgomery, Harris, Galveston, Waller, Fort Bend, Brazoria, Wharton, Matagorda, Jackson, Victoria, Calhoun, Refugio, Aransas, San Patricio, Nueces, Kleberg, Kenedy, Willacy and Cameron ** Texas Inland: Texan counties not mentioned above. ** Louisiana Gulf Coast: Parishes of Louisiana south of, and including Vernon, Rapides, Avoyelles, Pointe Coupee, West Feliciana, East Feliciana, Saint Helena, Tangipahoa and Washington; along with Pearl River, Stone, George, Hancock, Harrison, and Jackson County of Mississippi; and Alabama's Mobile and Baldwin County. ** North Louisiana-Arkansas: Arkansas and parts of Louisiana, Mississippi and Alabama not mentioned above. ** New Mexico: New Mexico * PADD IV:
Rocky Mountain The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...
: Colorado, Montana, Idaho, Wyoming, Utah * PADD V: West Coast: Washington, Oregon, California, Nevada, Arizona, Alaska, Hawaii PADD I can also be subdivided into 3 Subdistricts: * Sub-PAD 1A:
New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian provinces ...
(Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont) * Sub-PAD 1B: Central Atlantic (Delaware, Maryland, New Jersey, New York, Pennsylvania, District of Columbia) * Sub-PAD 1C: Lower Atlantic (Florida, Georgia, North Carolina, South Carolina, Virginia, West Virginia)


Agricultural Research Service

The Agricultural Research Service (ARS) is the research arm of the USDA. The ARS has sectioned their work into five geographic regions: * Midwest Area * Northeast Area * Pacific West Area * Plains Area * Southeast Area


U.S. National Park Service

The U.S. National Park Service divides the U.S. into the following regions for U.S. National Park purposes: * Northeast region (Connecticut, Delaware, Maine, most of Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, most of Virginia, most of West Virginia) with regional office in
Philadelphia, Pennsylvania Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
. * National Capital region (District of Columbia, some of Maryland, some of Virginia, some of West Virginia) with regional office in
Washington D.C ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, Na ...
. * Southeast region (Alabama, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Puerto Rico, U.S. Virgin Islands) with regional office in
Atlanta, Georgia Atlanta ( ) is the capital city, capital and List of municipalities in Georgia (U.S. state), most populous city of the U.S. state of Georgia (U.S. state), Georgia. It is the county seat, seat of Fulton County, Georgia, Fulton County, the mos ...
. * Midwest region (Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin) with regional office in
Omaha, Nebraska Omaha ( ) is the largest city in the U.S. state of Nebraska and the county seat of Douglas County. Omaha is in the Midwestern United States on the Missouri River, about north of the mouth of the Platte River. The nation's 39th-largest ...
. * Intermountain region (Arizona, Colorado, Montana, New Mexico, Oklahoma, Texas, Utah, Wyoming) with regional office in
Denver, Colorado Denver () is a consolidated city and county, the capital, and most populous city of the U.S. state of Colorado. Its population was 715,522 at the 2020 census, a 19.22% increase since 2010. It is the 19th-most populous city in the Unit ...
. * Pacific region (California, Hawaii, Idaho, Nevada, Oregon, Washington, American Samoa, Guam, Northern Mariana Islands) with regional office in
San Francisco, California San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
. * Alaska region (Alaska) with regional office in
Anchorage, Alaska Anchorage () is the largest city in the U.S. state of Alaska by population. With a population of 291,247 in 2020, it contains nearly 40% of the state's population. The Anchorage metropolitan area, which includes Anchorage and the neighboring ...
. The U.S. Minor Outlying Islands are not part of any U.S. National Park Service region.


Department of Health and Human Services (HHS) Regions

The
United States Department of Health and Human Services The United States Department of Health and Human Services (HHS) is a cabinet-level executive branch department of the U.S. federal government created to protect the health of all Americans and providing essential human services. Its motto is ...
's Office of Intergovernmental and External Affairs hosts 10 Regional Offices. Each office oversees a given region. # Boston: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont # New York: New Jersey, New York, Puerto Rico, and the Virgin Islands # Philadelphia: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, and West Virginia # Atlanta: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee # Chicago: Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin # Dallas: Arkansas, Louisiana, New Mexico, Oklahoma, and Texas # Kansas City: Iowa, Kansas, Missouri, and Nebraska # Denver: Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming # San Francisco: Arizona, California, Hawaii, Nevada, American Samoa, Commonwealth of the Northern Mariana Islands, Federated States of Micronesia, Guam, Marshall Islands, and Republic of Palau # Seattle: Alaska, Idaho, Oregon, and Washington


Unofficial regions


Multi-state regions

*
American Frontier The American frontier, also known as the Old West or the Wild West, encompasses the geography, history, folklore, and culture associated with the forward wave of American expansion in mainland North America that began with European colonial ...
*
Appalachia Appalachia () is a cultural region in the Eastern United States that stretches from the Southern Tier of New York State to northern Alabama and Georgia. While the Appalachian Mountains stretch from Belle Isle in Newfoundland and Labrador, C ...
*
Ark-La-Tex The Ark-La-Tex (a portmanteau of Arkansas, Louisiana, and Texas; also stylized as Arklatex or ArkLaTex) is a socio-economic tri-state region where the Southern U.S. states of Arkansas, Louisiana, and Texas join together. The region contains por ...
*
Black Dirt Region The Black Dirt Region is located in southern Orange County, New York and northern Sussex County, New Jersey. It is mostly located in the western section of the Town of Warwick, centered on the hamlet of Pine Island. Some sections spill over i ...
* Border states: ** Civil War border states ** International border states *
Calumet Region The Calumet Region is the geographic area drained by the Grand Calumet River and the Little Calumet River of northeastern Illinois and northwestern Indiana in the United States. It is part of the Great Lakes Basin, which eventually reaches the ...
*
The Carolinas The Carolinas are the U.S. states of North Carolina and South Carolina, considered collectively. They are bordered by Virginia to the north, Tennessee to the west, and Georgia to the southwest. The Atlantic Ocean is to the east. Combining Nor ...
* Cascadia *
Central United States The Central United States is sometimes conceived as between the Eastern and Western as part of a three-region model, roughly coincident with the U.S. Census' definition of the Midwestern United States plus the western and central portions o ...
* Coastal states *
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area o ...
* Columbia Basin *
Contiguous United States The contiguous United States (officially the conterminous United States) consists of the 48 adjoining U.S. states and the Federal District of the United States of America. The term excludes the only two non-contiguous states, Alaska and Hawaii ...
*
The Dakotas The Dakotas is a collective term for the U.S. states of North Dakota and South Dakota. It has been used historically to describe the Dakota Territory, and is still used for the collective heritage, culture, geography, fauna, sociology, econo ...
*
Deep South The Deep South or the Lower South is a cultural and geographic subregion in the Southern United States. The term was first used to describe the states most dependent on plantations and slavery prior to the American Civil War. Following the wa ...
*
Delmarva Peninsula The Delmarva Peninsula, or simply Delmarva, is a large peninsula and proposed state on the East Coast of the United States, occupied by the vast majority of the state of Delaware and parts of the Eastern Shore regions of Maryland and Virginia. ...
*
Dixie Dixie, also known as Dixieland or Dixie's Land, is a nickname for all or part of the Southern United States. While there is no official definition of this region (and the included areas shift over the years), or the extent of the area it cove ...
*
Driftless Area The Driftless Area, a topographical and cultural region in the American Midwest, comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois. Never covered by ice during the las ...
* East Coast * Eastern United States *
Four Corners The Four Corners is a region of the Southwestern United States consisting of the southwestern corner of Colorado, southeastern corner of Utah, northeastern corner of Arizona, and northwestern corner of New Mexico. The Four Corners area ...
* Great American Desert *
Great Appalachian Valley The Great Appalachian Valley, also called The Great Valley or Great Valley Region, is one of the major landform features of eastern North America. It is a gigantic trough—a chain of valley lowlands—and the central feature of the Appalachian M ...
*
Great Basin The Great Basin is the largest area of contiguous endorheic watersheds, those with no outlets, in North America. It spans nearly all of Nevada, much of Utah, and portions of California, Idaho, Oregon, Wyoming, and Baja California. It is noted fo ...
*
Great Lakes Region The Great Lakes region of North America is a binational Canadian–American region that includes portions of the eight U.S. states of Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania and Wisconsin along with the Canadian p ...
*
Great Plains The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, a ...
*
Gulf Coast The Gulf Coast of the United States, also known as the Gulf South, is the coast, coastline along the Southern United States where they meet the Gulf of Mexico. The list of U.S. states and territories by coastline, coastal states that have a shor ...
*
High Plains High Plains refers to one of two distinct land regions: * High Plains (United States), land region of the western Great Plains *High Plains (Australia) The High Plains of south-eastern Australia are a sub-region, or more strictly a string of adja ...
*
Interior Plains The Interior Plains is a vast physiographic region that spreads across the Laurentian craton of central North America, extending along the east flank of the Rocky Mountains from the Gulf Coast region to the Arctic Beaufort Sea. In Canada, it e ...
* Intermountain States * Kentuckiana *
Llano Estacado The Llano Estacado (), sometimes translated into English as the Staked Plains, is a region in the Southwestern United States that encompasses parts of eastern New Mexico and northwestern Texas. One of the largest mesas or tablelands on the Nort ...
* Lower 48 * Michiana * Mid-Atlantic states * Mid-South states *
Midwestern United States The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of the United States. I ...
*
Mississippi Delta The Mississippi Delta, also known as the Yazoo–Mississippi Delta, or simply the Delta, is the distinctive northwest section of the U.S. state of Mississippi (and portions of Arkansas and Louisiana) that lies between the Mississippi and Yaz ...
*
Mojave Desert The Mojave Desert ( ; mov, Hayikwiir Mat'aar; es, Desierto de Mojave) is a desert in the rain shadow of the Sierra Nevada mountains in the Southwestern United States. It is named for the indigenous Mojave people. It is located primarily ...
* Mormon Corridor *
New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian provinces ...
** Northern New England **
Southern New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian provi ...
* North Woods *
Northeastern United States The Northeastern United States, also referred to as the Northeast, the East Coast, or the American Northeast, is a geographic region of the United States. It is located on the Atlantic coast of North America, with Canada to its north, the Southe ...
*
Northern United States The Northern United States, commonly referred to as the American North, the Northern States, or simply the North, is a geographical or historical region of the United States. History Early history Before the 19th century westward expansion, the "N ...
*
Northwestern United States The Northwestern United States, also known as the American Northwest or simply the Northwest, is an informal geographic region of the United States. The region consistently includes the states of Oregon, Washington, Idaho, Montana and Wyoming. ...
*
Ohio Valley The Ohio River is a long river in the United States. It is located at the boundary of the Midwestern and Southern United States, flowing southwesterly from western Pennsylvania to its mouth on the Mississippi River at the southern tip of Illin ...
*
Ozarks The Ozarks, also known as the Ozark Mountains, Ozark Highlands or Ozark Plateau, is a physiographic region in the U.S. states of Missouri, Arkansas, Oklahoma and the extreme southeastern corner of Kansas. The Ozarks cover a significant port ...
*
Pacific Northwest The Pacific Northwest (sometimes Cascadia, or simply abbreviated as PNW) is a geographic region in western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Thou ...
** Inland Northwest *
Pacific States The West Coast of the United States, also known as the Pacific Coast, Pacific states, and the western seaboard, is the coastline along which the Western United States meets the North Pacific Ocean. The term typically refers to the contiguous U.S ...
*
Palouse The Palouse ( ) is a distinct geographic region of the northwestern United States, encompassing parts of north central Idaho, southeastern Washington, and, by some definitions, parts of northeast Oregon. It is a major agricultural area, primar ...
*
Piedmont it, Piemontese , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...
* Piney Woods *
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico ...
**
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ...
*
Siouxland Siouxland is a vernacular region that encompasses the entire Big Sioux River drainage basin in the U.S. states of South Dakota, Minnesota, Nebraska and Iowa. cheetz, George H."Whence Siouxland?" ''Book Remarks'' ioux City Public Library May 19 ...
*
Southeastern United States The Southeastern United States, also referred to as the American Southeast or simply the Southeast, is a geographical List of regions in the United States, region of the United States. It is located broadly on the eastern portion of the south ...
*
Southern United States The Southern United States (sometimes Dixie, also referred to as the Southern States, the American South, the Southland, or simply the South) is a geographic and cultural region of the United States of America. It is between the Atlantic Ocean ...
*
Southwestern United States The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural region of the United States that generally includes Arizona, New Mexico, and adjacent portions of California, Colorado, N ...
*
Old Southwest Old or OLD may refer to: Places * Old, Baranya, Hungary * Old, Northamptonshire, England *Old Street station, a railway and tube station in London (station code OLD) *OLD, IATA code for Old Town Municipal Airport and Seaplane Base, Old Town, M ...
*
Tidewater Tidewater may refer to: * Tidewater (region), a geographic area of southeast Virginia, southern Maryland, and northeast North Carolina. ** Tidewater accent, an accent of American English associated with the Tidewater region of Virginia * Tidewater ...
*
Tornado Alley Tornado Alley is a loosely defined area of the central United States where tornadoes are most frequent. The term was first used in 1952 as the title of a research project to study severe weather in areas of Texas, Louisiana, Oklahoma, Kansas, ...
*
Trans-Mississippi Trans-Mississippi was a common name of the geographic area west of the Mississippi River during the 19th century. The area included Arkansas, Louisiana, Missouri, Texas, Indian Territory (now Oklahoma), and many other territories. The term "Tr ...
* Twin Tiers *
Upland South The Upland South and Upper South are two overlapping cultural and geographic subregions in the inland part of the Southern and lower Midwestern United States. They differ from the Deep South and Atlantic coastal plain by terrain, history, econom ...
*
Upper Midwest The Upper Midwest is a region in the northern portion of the U.S. Census Bureau's Midwestern United States. It is largely a sub-region of the Midwest. Although the exact boundaries are not uniformly agreed-upon, the region is defined as referring ...
* Virginias * Waxhaws * West Coast *
Western United States The Western United States (also called the American West, the Far West, and the West) is the region comprising the westernmost states of the United States. As American settlement in the U.S. expanded westward, the meaning of the term ''the We ...


Multi-territory regions

*
Mariana Islands The Mariana Islands (; also the Marianas; in Chamorro: ''Manislan Mariånas'') are a crescent-shaped archipelago comprising the summits of fifteen longitudinally oriented, mostly dormant volcanic mountains in the northwestern Pacific Ocean, betw ...
(
Guam Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. It is the westernmost point and territory of the United States (reckoned from the geographic cent ...
and the
Northern Mariana Islands The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI; ch, Sankattan Siha Na Islas Mariånas; cal, Commonwealth Téél Falúw kka Efáng llól Marianas), is an unincorporated territory and commonw ...
) *
Samoan Islands The Samoan Islands ( sm, Motu o Sāmoa) are an archipelago covering in the central South Pacific, forming part of Polynesia and of the wider region of Oceania. Administratively, the archipelago comprises all of the Independent State of Samoa an ...
(
American Samoa American Samoa ( sm, Amerika Sāmoa, ; also ' or ') is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the island country of Samoa. Its location is centered on . It is east of the Internatio ...
, except
Swains Island Swains Island (; Tokelauan: ''Olohega'' ; Samoan: ''Olosega'' ) is a remote coral atoll in the Tokelau Islands in the South Pacific Ocean. The island is the subject of an ongoing territorial dispute between Tokelau and the United States, w ...
) *
Virgin Islands The Virgin Islands ( es, Islas Vírgenes) are an archipelago in the Caribbean Sea. They are geologically and biogeographically the easternmost part of the Greater Antilles, the northern islands belonging to the Puerto Rico Trench and St. Cro ...
(the
Spanish Virgin Islands The Spanish Virgin Islands ( es, Islas Vírgenes Españolas), formerly called the Passage Islands (Spanish: ''Islas del Pasaje'') and also known as the Puerto Rican Virgin Islands ( es, Islas Vírgenes de Puerto Rico, ''Islas Vírgenes Puertorr ...
and the U.S. Virgin Islands)


The Belts

*
Bible Belt The Bible Belt is a region of the Southern United States in which socially conservative Protestant Christianity plays a strong role in society and politics, and church attendance across the denominations is generally higher than the nation's a ...
* Black Belt * Coal Belt * Corn Belt * Cotton Belt * Fruit Belt * Pine Belt *
Rice Belt The Rice Belt of the United States includes Arkansas, Louisiana, Mississippi and Texas, four southern U.S. states that grow a significant portion of the nation's rice crop. The name is in conformity with the Corn Belt of the Midwestern United ...
*
Rust Belt The Rust Belt is a region of the United States that experienced industrial decline starting in the 1950s. The U.S. manufacturing sector as a percentage of the U.S. GDP peaked in 1953 and has been in decline since, impacting certain regions an ...
* Snowbelt *
Sun Belt The Sun Belt is a region of the United States generally considered to stretch across the Southeast and Southwest. Another rough definition of the region is the area south of the 36th parallel. Several climates can be found in the region — d ...


Interstate megalopolises

* Arizona Sun Corridor *
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
* Cascadia *
Great Lakes The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes in the mid-east region of North America that connect to the Atlantic Ocean via the Saint Lawrence River. There are five lakes ...
*
Gulf Coast The Gulf Coast of the United States, also known as the Gulf South, is the coast, coastline along the Southern United States where they meet the Gulf of Mexico. The list of U.S. states and territories by coastline, coastal states that have a shor ...
* Northeast * Piedmont Atlantic *
Southern Rocky Mountain Front The Southern Rocky Mountain Front is a megaregion of the United States, otherwise known as a megalopolis, with population centers consisting mainly of the Front Range Urban Corridor and the Albuquerque–Santa Fe–Las Vegas combined statistic ...


Interstate metropolitan areas

* Central Savannah River Area (part of Georgia and South Carolina) * Baltimore–Washington metropolitan area (District of Columbia and parts of Maryland, Virginia, West Virginia, and Pennsylvania) **
Washington metropolitan area The Washington metropolitan area, also commonly referred to as the National Capital Region, is the metropolitan area centered on Washington, D.C. The metropolitan area includes all of Washington, D.C. and parts of the states of Maryland, Virgi ...
(District of Columbia and parts of Maryland, Virginia, and West Virginia) *
Greater Boston Greater Boston is the metropolitan region of New England encompassing the municipality of Boston (the capital of the U.S. state of Massachusetts and the most populous city in New England) and its surrounding areas. The region forms the northern a ...
(parts of Massachusetts, Rhode Island, and New Hampshire) *
Charlotte metropolitan area The Charlotte metropolitan area, sometimes referred to as Metrolina, is a metropolitan area of the U.S. states of North and South Carolina, within and surrounding the city of Charlotte. The metropolitan area also includes the cities of Gasto ...
(parts of North Carolina and South Carolina) * Chattanooga Metropolitan Area *
Chicago metropolitan area The Chicago metropolitan area, also colloquially referred to as Chicagoland, is a metropolitan area in the Midwestern United States. Encompassing 10,286 sq mi (28,120 km2), the metropolitan area includes the city of Chicago, its suburbs and hin ...
(parts of Illinois, Indiana, and Wisconsin) *
Cincinnati metropolitan area The Cincinnati metropolitan area and also known as the Cincinnati Tri-State area, or Greater Cincinnati) is a metropolitan area centered on Cincinnati and including surrounding counties in the U.S. states of Ohio, Kentucky, and Indiana. The area i ...
(parts of Ohio, Indiana, and Kentucky) * Columbus-Auburn-Opelika (GA-AL) Combined Statistical Area (parts of Georgia and Alabama) *
Delaware Valley The Delaware Valley is a metropolitan region on the East Coast of the United States that comprises and surrounds Philadelphia, the sixth most populous city in the nation and 68th largest city in the world as of 2020. The toponym Delaware Val ...
(Philadelphia metropolitan area) (parts of Pennsylvania, New Jersey, Delaware, and Maryland) * Evansville, IN–KY Metropolitan Statistical Area (parts of Indiana and Kentucky) *
Fargo–Moorhead Fargo–Moorhead, also known as the FM area, is a common name given to the metropolitan area comprising Fargo, North Dakota; Moorhead, Minnesota; and the surrounding communities. These two cities lie on the North Dakota–Minnesota border, on opp ...
(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 The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With and a population of more th ...
(parts of Missouri and Kansas) *
Louisville metropolitan area The Louisville metropolitan area is the 43rd largest metropolitan statistical area (MSA) in the United States. It had a population of 1,395,855 in 2020 according to the latest official census, and its principal city is Louisville, Kentucky. Th ...
(Kentuckiana) (parts of Kentucky and Indiana) * Memphis metropolitan area (parts of Tennessee, Arkansas, and Mississippi) * Michiana (parts of Michigan and Indiana) *
Minneapolis–Saint Paul Minneapolis–Saint Paul is a metropolitan area in the Upper Midwest, Upper Midwestern United States centered around the confluence of the Mississippi River, Mississippi, Minnesota River, Minnesota and St. Croix River (Wisconsin–Minnesota) ...
(the Twin Cities) (parts of Minnesota and Wisconsin) *
New York metropolitan area The New York metropolitan area, also commonly referred to as the Tri-State area, is the largest metropolitan area in the world by urban area, urban landmass, at , and one of the list of most populous metropolitan areas, most populous urban agg ...
(parts of New York, New Jersey, Connecticut, and Pennsylvania) *
Omaha–Council Bluffs metropolitan area The Omaha metropolitan area, officially known as the Omaha-Council Bluffs, NE-IA Metropolitan Statistical Area (MSA), is an urbanized region in Nebraska and Iowa in the American Midwest, centered on the city of Omaha, Nebraska. The region consist ...
(parts of Nebraska and Iowa) *
Portland metropolitan area The Portland metropolitan area is a metro area in the U.S. states of Oregon and Washington centered on the principal city of Portland, Oregon. The U.S. Office of Management and Budget (OMB) identifies it as the Portland–Vancouver–Hillsboro, ...
(parts of Oregon and Washington) *
Quad Cities The Quad Cities is a region of cities (originally four, see History) in the U.S. states of Iowa and Illinois: Davenport and Bettendorf in southeastern Iowa, and Rock Island, Moline and East Moline in northwestern Illinois. These cities are t ...
(parts of Iowa and Illinois) *
Sacramento metropolitan area The Greater Sacramento area refers to a metropolitan region in Northern California comprising either the U.S. Census Bureau defined Sacramento–Roseville–Arden-Arcade metropolitan statistical area or the larger Sacramento–Roseville combine ...
(parts of California and Nevada) * Greater St. Louis (parts of Missouri and Illinois) * Texarkana metropolitan area (parts of Texas and Arkansas) *
Tri-Cities Tri-Cities most often refers to: *Tri-Cities, Tennessee, United States *Tri-Cities, Washington, United States Tri-City, Tricity or Tri-Cities may also refer to: Populated places Americas Canada *Tri-Cities (British Columbia), consisting of Co ...
(parts of Tennessee and Virginia) *
Twin Ports The Duluth MN-WI Metropolitan Area, commonly called the Twin Ports, is a small metropolitan area centered around the cities of Duluth, Minnesota and Superior, Wisconsin. The Twin Ports are located at the western part of Lake Superior (the weste ...
(
Duluth, Minnesota , settlement_type = City , nicknames = Twin Ports (with Superior, Wisconsin, Superior), Zenith City , motto = , image_skyline = , image_caption = Clockwise from top: Downtown Dul ...
and
Superior, Wisconsin , native_name_lang = oj , nickname = , total_type = , motto = , image_skyline = Tower Avenue.jpg , imagesize = , image_caption = Downtown Superior , ima ...
) * Hampton Roads region (parts of Virginia and North Carolina) * Youngstown–Warren–Boardman metropolitan statistical area (parts of Ohio and Pennsylvania)


Intrastate and intraterritory regions


Alabama

* Alabama Gulf Coast * Greater Birmingham * Black Belt * Central Alabama *
Lower Alabama Lower Alabama is the parts of southern Alabama including the Florida-border counties from Escambia County over to Houston County. Because there is no formally defined border, there are three overlapping areas generally referred to as Lower Alabam ...
*
Mobile Bay Mobile Bay ( ) is a shallow inlet of the Gulf of Mexico, lying within the state of Alabama in the United States. Its mouth is formed by the Fort Morgan Peninsula on the eastern side and Dauphin Island, a barrier island on the western side. The ...
* North Alabama * Northeast Alabama * Northwest Alabama * South Alabama


Alaska

*
Alaska Interior Interior Alaska is the central region of Alaska's territory, roughly bounded by the Alaska Range to the south and the Brooks Range to the north. It is largely wilderness. Mountains include Denali in the Alaska Range, the Wrangell Mountains, and ...
*
Alaska North Slope The Alaska North Slope ( Iñupiaq: ''Siḷaliñiq'') is the region of the U.S. state of Alaska located on the northern slope of the Brooks Range along the coast of two marginal seas of the Arctic Ocean, the Chukchi Sea being on the western sid ...
*
Alaska Panhandle Southeast Alaska, colloquially referred to as the Alaska(n) Panhandle, is the southeastern portion of the U.S. state of Alaska, bordered to the east and north by the northern half of the Canadian province of British Columbia (and a small part ...
*
Aleutian Islands The Aleutian Islands (; ; ale, Unangam Tanangin,”Land of the Aleuts", possibly from Chukchi ''aliat'', "island"), also called the Aleut Islands or Aleutic Islands and known before 1867 as the Catherine Archipelago, are a chain of 14 large v ...
* Arctic Alaska * The Bush *
Kenai Peninsula The Kenai Peninsula ( Dena'ina: ''Yaghenen'') is a large peninsula jutting from the coast of Southcentral Alaska. The name Kenai (, ) is derived from the word "Kenaitze" or "Kenaitze Indian Tribe", the name of the Native Athabascan Alaskan tribe ...
* Matanuska-Susitna Valley *
Seward Peninsula The Seward Peninsula is a large peninsula on the western coast of the U.S. state of Alaska whose westernmost point is Cape Prince of Wales. The peninsula projects about into the Bering Sea between Norton Sound, the Bering Strait, the Chukchi ...
* Southcentral Alaska *
Southwest Alaska Southwest Alaska is a region of the U.S. state of Alaska. The area is not exactly defined by any governmental administrative region(s); nor does it always have a clear geographic boundary. Geography Southwest Alaska includes a huge, complex, and ...
* Tanana Valley * Yukon-Kuskokwim Delta


American Samoa

* Manu'a Islands **
Ofu-Olosega Ofu and Olosega are parts of a volcanic doublet in the Manuʻa Islands, which is a part of American Samoa in the Samoan Islands. These twin islands, formed from shield volcanoes, have a combined length of 6 km and a combined area of . Togethe ...
** Ta'ū *
Rose Atoll Rose Atoll, sometimes called Rose Island or Motu O Manu ("Bird Island") by people of the nearby Manu'a Islands, is an oceanic atoll within the U.S. territory of American Samoa. An uninhabited wildlife refuge, it is the southernmost point belo ...
*
Swains Island Swains Island (; Tokelauan: ''Olohega'' ; Samoan: ''Olosega'' ) is a remote coral atoll in the Tokelau Islands in the South Pacific Ocean. The island is the subject of an ongoing territorial dispute between Tokelau and the United States, w ...
* Tutuila and Aunu'u


Arizona

* Arizona Strip *
Grand Canyon The Grand Canyon (, yuf-x-yav, Wi:kaʼi:la, , Southern Paiute language: Paxa’uipi, ) is a steep-sided canyon carved by the Colorado River in Arizona, United States. The Grand Canyon is long, up to wide and attains a depth of over a m ...
*
North Central Arizona North Central Arizona is a geographical region of Arizona. It is in the Transition Zone between the Basin and Range Province and the Colorado Plateau, and has some of the most rugged and scenic landscapes in Arizona. As part of the southern Co ...
* Northeast Arizona * Northern Arizona *
Phoenix metropolitan area The Phoenix Metropolitan Area – also the Valley of the Sun, the Salt River Valley, or Metro Phoenix (known by most locals simply as “the Valley”) – is the largest metropolitan area in the Southwestern United States, centered on the city ...
* Southern Arizona


Arkansas

*
Arkansas Delta The Arkansas Delta is one of the six natural regions of the state of Arkansas. Willard B. Gatewood Jr., author of ''The Arkansas Delta: Land of Paradox'', says that rich cotton lands of the Arkansas Delta make that area "The Deepest of the Deep ...
* Arkansas River Valley * Arkansas Timberlands *
Central Arkansas Central Arkansas, also known as the Little Rock metro, designated by the United States Office of Management and Budget as the Little Rock-North Little Rock-Conway Metropolitan Statistical Area, is the most populous metro area in the U.S. state o ...
* Crowley's Ridge * Northwest Arkansas * South Arkansas


California


Colorado

*
Central Colorado Central Colorado is a region of the U.S. state of Colorado. Central Colorado is home to most of the population of the state and its geography is dominated by the Rocky Mountains, their foothills, mesas, and canyons, the rivers that run thr ...
(part of
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ...
) *
Colorado Eastern Plains The Eastern Plains of Colorado refers to a region of the U.S. state of Colorado east of the Rocky Mountains and east of the population centers of the Front Range. Geography The Eastern Plains are part of the High Plains, which are the wester ...
(part of
High Plains High Plains refers to one of two distinct land regions: * High Plains (United States), land region of the western Great Plains *High Plains (Australia) The High Plains of south-eastern Australia are a sub-region, or more strictly a string of adja ...
) *
Colorado Mineral Belt The Colorado Mineral Belt (CMB) is an area of ore deposits from the La Plata Mountains in Southwestern Colorado to near the middle of the state at Boulder, Colorado and from which over 25 million troy ounces (778 t) of gold were extracted begin ...
(part of
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ...
) * Colorado Piedmont (parts of the Front Range Urban Corridor and Colorado High Plains) *
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area o ...
(multi-state region) *
Colorado Western Slope The Western Slope is the part of the state of Colorado west of the Continental Divide. Bodies of water west of the Divide flow toward the Pacific Ocean; water that falls and flows east of the Divide heads east toward the Gulf of Mexico. The Wes ...
(parts of
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ...
and
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area o ...
) *
Denver Metropolitan Area Denver is the central city of a conurbation region in the U.S. state of Colorado. The conurbation includes one continuous region consisting of the six central counties of Adams, Arapahoe, Broomfield, Denver, Douglas, and Jefferson. The Denver r ...
(part of Front Range Urban Corridor) *
Four Corners Region The Four Corners is a region of the Southwestern United States consisting of the southwestern corner of Colorado, southeastern corner of Utah, northeastern corner of Arizona, and northwestern corner of New Mexico. The Four Corners area ...
(multi-state region of
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area o ...
) * Front Range Urban Corridor (multi-state region) *
High Plains High Plains refers to one of two distinct land regions: * High Plains (United States), land region of the western Great Plains *High Plains (Australia) The High Plains of south-eastern Australia are a sub-region, or more strictly a string of adja ...
(multi-state region of
Great Plains The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, a ...
) *
North Central Colorado Urban Area 240px, An enlargeable map of the 13-county North Central Colorado Urban Area The North Central Colorado Urban Area comprises the four contiguous metropolitan statistical areas in the north central region of the State of Colorado: the Denver–Au ...
(part of Front Range Urban Corridor) * Northwestern Colorado (part of
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ...
) *
San Luis Valley The San Luis Valley is a region in south-central Colorado with a small portion overlapping into New Mexico. The valley is approximately long and wide, extending from the Continental Divide on the northwest rim into New Mexico on the south. It c ...
*
South-Central Colorado South-Central Colorado is a region of the U.S. state of Colorado. It can be roughly defined by Chaffee County in the northwest, El Paso County in the northeast, Las Animas County in the southeast, and Conejos County in the southwest. Some notabl ...
*
South Central Colorado Urban Area 240px, An enlargeable map of the four-county South Central Colorado Urban Area The South Central Colorado Urban Area comprises the Colorado Springs Metropolitan Statistical Area, the Pueblo Metropolitan Statistical Area, and the Cañon City Micr ...
(part of Front Range Urban Corridor) *
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ...
(multi-state region of
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico ...
) *
Southwestern Colorado Southwestern Colorado is a region in the southwest portion of Colorado, which in turn is part of the larger Four Corners region. It is bordered by Western Colorado, Southern Colorado, the south portion of Central Colorado, Utah, and New Mexico. ...
(parts of
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ...
and
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area o ...
)


Connecticut

Connecticut has no official regions. After abolishing county governments, all local governing is done by towns and cities, leaving counties as purely geographical and statistical entities. Some unofficial regions of Connecticut include: * Central Naugatuck Valley * Coastal Connecticut *
Connecticut panhandle The Connecticut panhandle is the southwestern appendage of Connecticut, where it abuts New York State. It is contained entirely in Fairfield County and includes all of Greenwich, Stamford, New Canaan, and Darien, as well as parts of Norwal ...
*
Greater Bridgeport Greater Bridgeport is the metropolitan area centered on the city of Bridgeport in the U.S. state of Connecticut. The area is located in Southwestern Connecticut. In its most conservative form the area consists of the city of Bridgeport and fi ...
*
Greater New Haven Greater New Haven is the metropolitan area whose extent includes those towns in the U.S. state of Connecticut that share an economic, social, political, and historical focus on the city of New Haven. It occupies the south-central portion of the sta ...
* Greater Hartford *
Housatonic Valley The Housatonic River ( ) is a river, approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 in western Massachusetts and western Connecticut in the United ...
(shared with Massachusetts) *
Litchfield Hills The Northwest Hills (also known as the Litchfield Hills or Northwest Highlands) are a geographic region of the U.S. state of Connecticut located in the northwestern corner of the state. It is roughly coterminous with the boundaries of Litchfiel ...
*
Lower Connecticut River Valley The Lower Connecticut River Valley is a region of the state of Connecticut around the juncture where the Connecticut River meets Long Island Sound. It includes towns in Middlesex County and the western edge of New London County. It is located ...
* Naugatuck River Valley *
New York Metropolitan Area The New York metropolitan area, also commonly referred to as the Tri-State area, is the largest metropolitan area in the world by urban area, urban landmass, at , and one of the list of most populous metropolitan areas, most populous urban agg ...
/ Gold Coast * Southeastern Connecticut *
Western Connecticut Western Connecticut is a geographic region of Connecticut located in the southwest corner of the state. Numerous towns are part of the Western Connecticut Council of Governments (or WestCOG), one 9 regional councils of governments in Connecticu ...


Delaware

"Upstate" or "Up North" *
Delaware Valley The Delaware Valley is a metropolitan region on the East Coast of the United States that comprises and surrounds Philadelphia, the sixth most populous city in the nation and 68th largest city in the world as of 2020. The toponym Delaware Val ...
also known as "Above the Canal" (referring to the
Chesapeake and Delaware Canal The Chesapeake & Delaware Canal (C&D Canal) is a -long, -wide and -deep ship canal that connects the Delaware River with the Chesapeake Bay in the states of Delaware and Maryland in the United States. In the mid‑17th century, mapmaker Au ...
) "Slower Lower" * Cape Region * Central Kent * Delaware coast


District of Columbia


Florida

Directional regions *
Central Florida Central Florida is a region of the U.S. state of Florida. Different sources give different definitions for the region, but as its name implies it is usually said to comprise the central part of the state, including the Tampa Bay area and the ...
* North Florida * Northwest Florida * North Central Florida *
Northeast Florida Florida's First Coast, or simply the First Coast, is a region of the U.S. state of Florida, located on the Atlantic coast of North Florida. The First Coast refers to the same general area as the directional region of Northeast Florida. It roughly ...
*
South Florida South Florida is the southernmost region of the U.S. state of Florida. It is one of Florida's three most commonly referred to directional regions; the other two are Central Florida and North Florida. South Florida is the southernmost part of ...
* Southwest Florida *
West Florida West Florida ( es, Florida Occidental) was a region on the northern coast of the Gulf of Mexico that underwent several boundary and sovereignty changes during its history. As its name suggests, it was formed out of the western part of former S ...
*
East Florida East Florida ( es, Florida Oriental) was a colony of Great Britain from 1763 to 1783 and a province of Spanish Florida from 1783 to 1821. Great Britain gained control of the long-established Spanish colony of ''La Florida'' in 1763 as part of ...
Local vernacular regions * Big Bend *
Emerald Coast The Emerald Coast is an unofficial name for the coastal area in the US state of Florida on the Gulf of Mexico that stretches about through five counties, Escambia, Santa Rosa, Okaloosa, Walton, and Bay, which include Pensacola Beach, Navar ...
* First Coast * Florida Heartland *
Florida Keys The Florida Keys are a coral cay archipelago located off the southern coast of Florida, forming the southernmost part of the continental United States. They begin at the southeastern coast of the Florida peninsula, about south of Miami, and e ...
*
Florida Panhandle The Florida Panhandle (also West Florida and Northwest Florida) is the northwestern part of the U.S. state of Florida; it is a salient roughly long and wide, lying between Alabama on the north and the west, Georgia on the north, and the ...
*
Forgotten Coast The Forgotten Coast refers to a largely untouched and uninhabited area of coastline in the panhandle of the US state of Florida. The term, also a trademark, was first used in 1992, but the Forgotten Coast's exact location is not agreed upon. De ...
* Glades * Gold Coast * Halifax area (also Surf Coast and Fun Coast) * Red Hills * Nature Coast *
Space Coast The Space Coast is a region in the U.S. state of Florida around the Kennedy Space Center (KSC) and Cape Canaveral Space Force Station. It is one of several "themed" coasts around Florida. All orbital launches from American soil carrying NASA ast ...
* Suncoast * Tampa Bay Area *
Treasure Coast The Treasure Coast is a region of the U.S. state of Florida. It is located on Florida's East Coast, bordering the Atlantic Ocean and comprising Indian River, Martin, and St. Lucie counties. The region, whose name refers to the Spanish Treasure ...


Georgia

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Atlanta metropolitan area Metro Atlanta, designated by the United States Office of Management and Budget as the Atlanta–Sandy Springs–Alpharetta, GA Metropolitan Statistical Area, is the most populous metropolitan statistical area in the U.S. state of Georgia and th ...
* Central Georgia * Central Savannah River Area *
Colonial Coast Southeast Georgia's Lower Coastal Plain is a subregion that encompasses the lowest-lying areas of the Atlantic coastal plain in the state, containing barrier islands, marshes, and swampy lowlands, as well as flat plains and low terraces. It diff ...
*
Golden Isles of Georgia The Golden Isles of Georgia consist of barrier islands, and the mainland port cities of Brunswick and Darien, on the 100-mile-long coast of the U.S. state of Georgia on the Atlantic Ocean. They include St. Simons Island, Sea Island, Jekyll Is ...
* North Georgia * North Georgia mountains (Northeast Georgia) * Southern Rivers * Southeast Georgia *
Wiregrass Region The Wiregrass region or Wiregrass country is an area of the Southern United States encompassing parts of southern Georgia, southeastern Alabama, and the Florida Panhandle. The region is named for the native ''Aristida stricta'', commonly known a ...


Physiographic regions

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Appalachian Plateau The Appalachian Plateau is a series of rugged dissected plateaus located on the western side of the Appalachian Mountains. The Appalachian Mountains are a mountain range that run down the Eastern United States. The Appalachian Plateau is the nor ...
*
Blue Ridge Mountains The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range. The mountain range is located in the Eastern United States, and extends 550 miles southwest from southern Pennsylvania through Maryland, West Virg ...
*
Coastal Plain A coastal plain is flat, low-lying land adjacent to a sea coast. A fall line commonly marks the border between a coastal plain and a piedmont area. Some of the largest coastal plains are in Alaska and the southeastern United States. The Gulf Co ...
*
Piedmont it, Piemontese , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...
*
Ridge-and-Valley Appalachians The Ridge-and-Valley Appalachians, also called the Ridge and Valley Province or the Valley and Ridge Appalachians, are a physiographic province of the larger Appalachian division and are also a belt within the Appalachian Mountains extending ...


Guam

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Cocos Island Cocos Island ( es, Isla del Coco) is an island in the Pacific Ocean administered by Costa Rica, approximately southwest of the Costa Rican mainland. It constitutes the 11th of the 13 districts of Puntarenas Canton of the Province of Puntare ...
* Guam (main island) ** Ritidian Point ** Tumon


Hawaiʻi

* Hawaiʻi Island (Big Island) ** Hamakua Coast **
Kaʻū Desert The Kaū Desert is a leeward desert in the district of Kaū, the southernmost district on the Big Island of Hawaii, and is made up mostly of dried lava remnants, volcanic ash, sand and gravel. The desert covers an area of the Kīlauea Volcano ...
**
Kohala Coast The districts of the Big Island. From Northernmost, clockwise; North Kohala (highlighted), Hilo,_ Hilo,_South_Hilo,_Hawaii">Hilo,_Puna,_Hawaii">Puna,_ Hilo,_South_Hilo,_Hawaii">Hilo,_Puna,_Hawaii">Puna,_Kau,_Hawaii">Kaū,_South_ Hilo,_South_Hilo, ...
** Kona Coast **
Mauna Kea Mauna Kea ( or ; ; abbreviation for ''Mauna a Wākea''); is a dormant volcano on the island of Hawaii. Its peak is above sea level, making it the highest point in the state of Hawaii and second-highest peak of an island on Earth. The peak ...
**
Puna District Puna is one of the 9 districts of Hawaii County on the Island of Hawaii (Big Island; County of Hawaii). It is located on the windward side (east side) of the island and shares borders with South Hilo district in the north and Kaū district i ...
** Waiākea-Uka * Kahoʻolawe *
Kauaʻi Kauai, () anglicized as Kauai ( ), is geologically the second-oldest of the main Hawaiian Islands (after Niʻihau). With an area of 562.3 square miles (1,456.4 km2), it is the fourth-largest of these islands and the 21st largest island ...
** Nā Pali Coast *
Kaʻula Kaʻula Island, also called Kaʻula Rock, is a small, crescent-shaped island in the Hawaiian Islands. Mythology In the legend of Papa and Wākea, Kaula is the seventh-born child. Geography It is located west-southwest of Kawaihoa Point on ...
* Lānai *
Maui The island of Maui (; Hawaiian: ) is the second-largest of the islands of the state of Hawaii at 727.2 square miles (1,883 km2) and is the 17th largest island in the United States. Maui is the largest of Maui County's four islands, whic ...
** Haleakalā ** Molokini **
West Maui Mountains The West Maui Mountains, West Maui Volcano, or Mauna Kahālāwai which means "holding house of water," is approximately 1.7 million years old and forms a much eroded shield volcano that constitutes the western quarter of Maui. Since its last erup ...
***
Iao Valley Iao Valley ( Hawaiian: ''Īao'': "cloud supreme", pronounced similar to "EE-yow") is a lush, stream-cut valley in West Maui, Hawaii, located west of Wailuku. Because of its natural environment and history, it has become a tourist location. It ...
*
Molokaʻi Molokai , or Molokai (), is the fifth most populated of the eight major islands that make up the Hawaiian Islands archipelago in the middle of the Pacific Ocean. It is 38 by 10 miles (61 by 16 km) at its greatest length and width with a us ...
**
Kalaupapa Peninsula Kalawao County ( haw, Kalana o Kalawao) is a county in the U.S. state of Hawaii. It is the smallest county in the 50 states by land area and the second-smallest county by population, after Loving County, Texas. The county encompasses the Kala ...
* Niʻihau **
Lehua Lehua Island is a small, crescent-shaped island in the Hawaiian islands, north of Niihau, due west of Kauai. The uninhabited, barren island is a tuff cone which is part of the active Niihau volcano. Lehua was one of the first five isl ...
*
Northwestern Hawaiian Islands The Northwestern Hawaiian Islands or Leeward Hawaiian Islands are a series of islands and atolls in the Hawaiian island chain located northwest (in some cases, far to the northwest) of the islands of Kauai and Niihau. Politically, they are all ...
** Nihoa (Moku Manu) ** Necker Island (Mokumanamana) ** French Frigate Shoals (Kānemiloha) ** Gardner Pinnacles (Pūhāhonu) ** Maro Reef (Nalukākala) ** Laysan (Kauō) ** Lisianski (Papaāpoho) ** Pearl and Hermes (Holoikauaua) ** Kure Atoll (Mokupāpapa) *
Oʻahu Oahu () ( Hawaiian: ''Oʻahu'' ()), also known as "The Gathering Place", is the third-largest of the Hawaiian Islands. It is home to roughly one million people—over two-thirds of the population of the U.S. state of Hawaii. The island of O ...
** Kaʻena Point **
Makapuʻu Makapuu is the extreme eastern end of the Island of Oahu in the Hawaiian Islands, comprising the remnant of a ridge that rises 647 feet (197 m) above the sea. The cliff at Makapuu Point forms the eastern tip and is the site of a prominen ...
** North Shore ** Waikīkī


Idaho

* Central Idaho * Eastern Idaho *
Idaho Panhandle The Idaho Panhandle—locally known as North Idaho—is a salient region of the U.S. state of Idaho encompassing the state's 10 northernmost counties: Benewah, Bonner, Boundary, Clearwater, Idaho, Kootenai, Latah, Lewis, Nez Perce, an ...
* Magic Valley * North Central Idaho * Palouse Hills * Southern Idaho *
Southwestern Idaho Southwestern Idaho is a geographical term for the area along the U.S. state of Idaho's borders with Oregon and Nevada. It includes the populous areas of the Boise metropolitan area and Treasure Valley The Treasure Valley is a valley in the wes ...
* Treasure Valley


Illinois

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Central Illinois Central Illinois is a region of the U.S. state of Illinois that consists of the entire central third of the state, divided from north to south. Also known as the ''Heart of Illinois'', it is characterized by small towns and mid-sized cities. Agr ...
*
Champaign–Urbana metropolitan area The Champaign–Urbana metropolitan area, also known as Champaign–Urbana and Urbana–Champaign as well as Chambana (colloquially), is a metropolitan area in east-central Illinois. As defined by the Office of Management and Budget (OMB), t ...
*
Chicago metropolitan area The Chicago metropolitan area, also colloquially referred to as Chicagoland, is a metropolitan area in the Midwestern United States. Encompassing 10,286 sq mi (28,120 km2), the metropolitan area includes the city of Chicago, its suburbs and hin ...
** Community areas in Chicago ** Fox Valley ** The Collar Counties ** North Shore *
Driftless Area The Driftless Area, a topographical and cultural region in the American Midwest, comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois. Never covered by ice during the las ...
*
Forgottonia Forgottonia (), also spelled Forgotonia, is the name given to a 16- county region in Western Illinois in the late 1960s and early 1970s. This geographic region forms the distinctive western bulge of Illinois (area west of 90° Longitude West) th ...
* Metro-East **
American Bottom The American Bottom is the flood plain of the Mississippi River in the Metro-East region of Southern Illinois, extending from Alton, Illinois, south to the Kaskaskia River. It is also sometimes called "American Bottoms". The area is about , mo ...
** River Bend * Metro Lakeland * Military Tract of 1812 * Northern Illinois *
Northwestern Illinois Northwestern Illinois is a geographic region of the state of Illinois within the USA. Northwestern Illinois is generally considered to consist of the following area: Jo Daviess County, Carroll County, Whiteside County, Stephenson County, Winn ...
* Peoria, Illinois metropolitan area *
Quad Cities The Quad Cities is a region of cities (originally four, see History) in the U.S. states of Iowa and Illinois: Davenport and Bettendorf in southeastern Iowa, and Rock Island, Moline and East Moline in northwestern Illinois. These cities are t ...
* Rock River Valley * Shawnee Hills *
Southern Illinois Southern Illinois, also known as Little Egypt, is the southern third of Illinois, principally along and south of Interstate 64. Although part of a Midwestern state, this region is aligned in culture more with that of the Upland South than the Mi ...
(sometimes, ''Little Egypt'') * Streatorland * Tri-State Area *
Wabash Valley The Wabash Valley is a region located in sections of both Illinois and Indiana. It is named for the Wabash River and, as the name is typically used, spans the middle to the middle-lower portion of the river's valley and is centered at Terre Ha ...


Indiana

* East Central Indiana *
Indianapolis metropolitan area Indianapolis–Carmel–Anderson or Indianapolis metropolitan area is an 11-county metropolitan area in the U.S. state of Indiana, as defined by the Office of Management and Budget. The metropolitan area is situated in Central Indiana, within t ...
* Michiana *
Northern Indiana Northern Indiana is a region of the U.S. State of Indiana, including 26 counties which border the states of Illinois, Michigan, and Ohio. Northern Indiana is also considered part of the Great Lakes Megalopolis. The area is generally classified i ...
* Northwest Indiana * Southern Indiana * Southwestern Indiana *
Wabash Valley The Wabash Valley is a region located in sections of both Illinois and Indiana. It is named for the Wabash River and, as the name is typically used, spans the middle to the middle-lower portion of the river's valley and is centered at Terre Ha ...


Iowa

* Coteau des Prairies *
Des Moines metropolitan area The Des Moines metropolitan area, officially known as the Des Moines–West Des Moines, IA Metropolitan Statistical Area (MSA) is located at the confluence of the Des Moines River and the Raccoon River. Des Moines serves as the capital of the U.S ...
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Dissected Till Plains The Dissected Till Plains are physiographic sections of the Central Lowlands province, which in turn is part of the Interior Plains physiographic division of the United States, located in southern and western Iowa, northeastern Kansas, the southw ...
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Driftless Area The Driftless Area, a topographical and cultural region in the American Midwest, comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois. Never covered by ice during the las ...
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Great River Road The Great River Road is a collection of state and local roads that follow the course of the Mississippi River through ten states of the United States. They are Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Miss ...
* Honey Lands * Iowa Great Lakes *
Loess Hills The Loess Hills are a formation of wind-deposited loess soil in the westernmost parts of Iowa and Missouri, and the easternmost parts of Nebraska and Kansas, along the Missouri River. Geology The Loess (, , or ) Hills are generally located ...
*
Omaha–Council Bluffs metropolitan area The Omaha metropolitan area, officially known as the Omaha-Council Bluffs, NE-IA Metropolitan Statistical Area (MSA), is an urbanized region in Nebraska and Iowa in the American Midwest, centered on the city of Omaha, Nebraska. The region consist ...
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Quad Cities The Quad Cities is a region of cities (originally four, see History) in the U.S. states of Iowa and Illinois: Davenport and Bettendorf in southeastern Iowa, and Rock Island, Moline and East Moline in northwestern Illinois. These cities are t ...
*
Siouxland Siouxland is a vernacular region that encompasses the entire Big Sioux River drainage basin in the U.S. states of South Dakota, Minnesota, Nebraska and Iowa. cheetz, George H."Whence Siouxland?" ''Book Remarks'' ioux City Public Library May 19 ...


Kansas

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East-Central Kansas East-Central Kansas is a region of Kansas. It is located between the Kansas City metropolitan area and Southeast Kansas, and on the border with Missouri. The region extends westward towards the Flint Hills to Lyon County. East-Central Kansas geog ...
* Flint Hills *
High Plains High Plains refers to one of two distinct land regions: * High Plains (United States), land region of the western Great Plains *High Plains (Australia) The High Plains of south-eastern Australia are a sub-region, or more strictly a string of adja ...
*
Kansas City Metropolitan Area The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With and a population of more th ...
* North Central Kansas * Osage Plains *
Ozarks The Ozarks, also known as the Ozark Mountains, Ozark Highlands or Ozark Plateau, is a physiographic region in the U.S. states of Missouri, Arkansas, Oklahoma and the extreme southeastern corner of Kansas. The Ozarks cover a significant port ...
* Red Hills *
Santa Fe Trail The Santa Fe Trail was a 19th-century route through central North America that connected Franklin, Missouri, with Santa Fe, New Mexico. Pioneered in 1821 by William Becknell, who departed from the Boonslick region along the Missouri River, ...
* Smoky Hills *
Southeast Kansas Southeast Kansas is a region of the U.S. state of Kansas. It can be roughly defined by Woodson County in the northwest, Bourbon County in the northeast, Cherokee County in the southeast, and Montgomery County in the southwest. Geographically i ...


Kentucky

* The Bluegrass *
Cumberland Plateau The Cumberland Plateau is the southern part of the Appalachian Plateau in the Appalachian Mountains of the United States. It includes much of eastern Kentucky and Tennessee, and portions of northern Alabama and northwest Georgia. The terms " Al ...
or Eastern Coal Field * Jackson Purchase * Pennyroyal Plateau *
Western Coal Field The West Kentucky Coal Field comprises an area in the west-central and northwestern part of the state, bounded by the Dripping Springs Escarpment and the Pennyroyal Plateau and the Ohio River, but is part of the Illinois Basin that extends into In ...


Louisiana

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Acadiana Acadiana (French and Louisiana French: ''L'Acadiane''), also known as the Cajun Country ( Louisiana French: ''Le Pays Cadjin'', es, País Cajún), is the official name given to the French Louisiana region that has historically contained ...
:* Cajun Heartland :*
River Parishes The River Parishes are those parishes in Louisiana between New Orleans and Baton Rouge that span both banks of the Mississippi River, and are part of the larger Acadiana region. Traditionally they are considered to be St. Charles Parish, St. Jam ...
*
Central Louisiana Central Louisiana (Cenla), also known as the Crossroads, is a region of the U.S. state of Louisiana. The largest communities in the region as of the 2010 Census were Alexandria (47,893), Natchitoches (18,323) and Pineville (14,555). Central ...
(Cen-La) * Florida Parishes * "French Louisiana" (Acadiana + Greater New Orleans) *
Greater New Orleans The New Orleans metropolitan area, designated the New Orleans–Metairie metropolitan statistical area by the U.S. Office of Management and Budget, or simply Greater New Orleans (french: Grande Nouvelle-Orléans, es, Gran Nueva Orleans), is a me ...
* North Louisiana * Southwest Louisiana


Maine

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Acadia Acadia (french: link=no, Acadie) was a colony of New France in northeastern North America which included parts of what are now the Maritime provinces, the Gaspé Peninsula and Maine to the Kennebec River. During much of the 17th and earl ...
* Down East * High Peaks /
Maine Highlands The Maine Highlands is a term used in the Maine tourism industry for a centrally located region that constitutes a large portion of the state of Maine. The Highlands are made up of Piscataquis and Penobscot counties. Formerly known as the Penqui ...
* Hundred-Mile Wilderness * Kennebec Valley *
Maine Highlands The Maine Highlands is a term used in the Maine tourism industry for a centrally located region that constitutes a large portion of the state of Maine. The Highlands are made up of Piscataquis and Penobscot counties. Formerly known as the Penqui ...
* Maine Lake Country *
Maine North Woods The North Maine Woods is the northern geographic area of the state of Maine in the United States. The thinly populated region is overseen by a combination of private individual and private industrial owners and state government agencies, and is d ...
*
Mid Coast The Midcoast is a region of Maine that includes the coastal counties of Lincoln, Knox, Waldo, Sagadahoc, and the northern coastal portion of Cumberland counties. Some of the towns are: *Alna * Arrowsic *Bath *Belfast * Boothbay * Boothbay ...
*
Penobscot Bay Penobscot Bay (french: Baie de Penobscot) is an inlet of the Gulf of Maine and Atlantic Ocean in south central Maine. The bay originates from the mouth of Maine's Penobscot River, downriver from Belfast. Penobscot Bay has many working waterf ...
* Southern Maine Coast * Western Maine Mountains


Maryland

* Baltimore–Washington Metropolitan Area * Capital region *
Chesapeake Bay The Chesapeake Bay ( ) is the largest estuary in the United States. The Bay is located in the Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula (including the parts: the Eastern Shore of Maryland / ...
*
Eastern Shore of Maryland The Eastern Shore of Maryland is a part of the U.S. state of Maryland that lies mostly on the east side of the Chesapeake Bay. Nine counties are normally included in the region. The Eastern Shore is part of the larger Delmarva Peninsula tha ...
* Patapsco Valley * Southern Maryland *
Western Maryland upright=1.2, An enlargeable map of Maryland's 23 counties and one independent city Western Maryland, also known as the Maryland Panhandle, is the portion of the U.S. state of Maryland that typically consists of Washington, Allegany, and Garre ...
Regions shared with other states: *
Allegheny Mountains The Allegheny Mountain Range (; also spelled Alleghany or Allegany), informally the Alleghenies, is part of the vast Appalachian Mountain Range of the Eastern United States and Canada and posed a significant barrier to land travel in less devel ...
*
Atlantic coastal plain The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe a ...
*
Blue Ridge Mountains The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range. The mountain range is located in the Eastern United States, and extends 550 miles southwest from southern Pennsylvania through Maryland, West Virg ...
*
Cumberland Valley The Cumberland Valley is a northern constituent valley of the Great Appalachian Valley, within the Atlantic Seaboard watershed in Pennsylvania and Maryland. The Appalachian Trail crosses through the valley. Geography The valley is bound to ...
*
Delaware Valley The Delaware Valley is a metropolitan region on the East Coast of the United States that comprises and surrounds Philadelphia, the sixth most populous city in the nation and 68th largest city in the world as of 2020. The toponym Delaware Val ...
*
Delmarva Peninsula The Delmarva Peninsula, or simply Delmarva, is a large peninsula and proposed state on the East Coast of the United States, occupied by the vast majority of the state of Delaware and parts of the Eastern Shore regions of Maryland and Virginia. ...
consists of Maryland's and Virginia's Eastern Shore and all of
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
*
Piedmont (United States) The Piedmont is a plateau region located in the Eastern United States. It is situated between the Atlantic coastal plain and the main Appalachian Mountains, stretching from New York in the north to central Alabama in the south. The Piedm ...
*
Ridge-and-Valley Appalachians The Ridge-and-Valley Appalachians, also called the Ridge and Valley Province or the Valley and Ridge Appalachians, are a physiographic province of the larger Appalachian division and are also a belt within the Appalachian Mountains extending ...


Massachusetts

* Western Massachusetts **
The Berkshires The Berkshires () are a highland geologic region located in the western parts of Massachusetts and northwest Connecticut. The term "Berkshires" is normally used by locals in reference to the portion of the Vermont-based Green Mountains that ex ...
(shown in map) **
Housatonic Valley The Housatonic River ( ) is a river, approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 in western Massachusetts and western Connecticut in the United ...
**
Pioneer Valley The Pioneer Valley is the colloquial and promotional name for the portion of the Connecticut River Valley that is in Massachusetts in the United States. It is generally taken to comprise the three counties of Hampden, Hampshire, and Frankli ...
** Quabbin-Swift River Valley *
Central Massachusetts Central Massachusetts is the geographically central region of Massachusetts. Though definitions vary, most include all of Worcester County and the northwest corner of Middlesex County. Worcester, the largest city in the area and the seat of Worc ...
** MetroWest ** Montachusett-North County ** South County **
Blackstone River Valley The Blackstone Valley or Blackstone River Valley is a region of Massachusetts and Rhode Island. It was a major factor in the American Industrial Revolution. It makes up part of the Blackstone River Valley National Heritage Corridor and Natio ...
*
Northeastern Massachusetts The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each sepa ...
** North Shore ***
Merrimack Valley The Merrimack Valley is a bi-state region along the Merrimack River in the U.S. states of New Hampshire and Massachusetts. The Merrimack is one of the larger waterways in New England and has helped to define the livelihood and culture of those ...
***
Cape Ann Cape Ann is a rocky peninsula in northeastern Massachusetts, United States on the Atlantic Ocean. It is about northeast of Boston and marks the northern limit of Massachusetts Bay. Cape Ann includes the city of Gloucester and the towns o ...
**
Greater Boston Greater Boston is the metropolitan region of New England encompassing the municipality of Boston (the capital of the U.S. state of Massachusetts and the most populous city in New England) and its surrounding areas. The region forms the northern a ...
* Southeastern Massachusetts ** Cape Cod and Islands ***
Cape Cod Cape Cod is a peninsula extending into the Atlantic Ocean from the southeastern corner of mainland Massachusetts, in the northeastern United States. Its historic, maritime character and ample beaches attract heavy tourism during the summer mont ...
***
Martha's Vineyard Martha's Vineyard, often simply called the Vineyard, is an island in the Northeastern United States, located south of Cape Cod in Dukes County, Massachusetts, known for being a popular, affluent summer colony. Martha's Vineyard includes the ...
***
Nantucket Nantucket () is an island about south from Cape Cod. Together with the small islands of Tuckernuck and Muskeget, it constitutes the Town and County of Nantucket, a combined county/town government that is part of the U.S. state of Massachuse ...
**
South Coast South Coast is a name often given to coastal areas to the south of a geographical region or major metropolitan area. Geographical Australia *South Coast (New South Wales), the coast of New South Wales, Australia, south of Sydney * South Coast (Q ...
** South Shore


Michigan


Lower Peninsula

*
Northern Michigan Northern Michigan, also known as Northern Lower Michigan (known colloquially to residents of more southerly parts of the state and summer residents from cities such as Detroit as " Up North"), is a region of the U.S. state of Michigan. A popul ...
** Traverse Bay Area ** Straits Area * Central/Mid-Michigan ** The Thumb ** Bluewater Area **
Tri-Cities Tri-Cities most often refers to: *Tri-Cities, Tennessee, United States *Tri-Cities, Washington, United States Tri-City, Tricity or Tri-Cities may also refer to: Populated places Americas Canada *Tri-Cities (British Columbia), consisting of Co ...
** Capital Region * West Michigan ** Southwest Michigan ** Michiana ** Grand Rapids area * Southeast Michigan **
Metro Detroit The Detroit metropolitan area, often referred to as Metro Detroit, is a major metropolitan area in the U.S. State of Michigan, consisting of the city of Detroit and its surrounding area. There are varied definitions of the area, including the ...


Upper Peninsula

* Copper Country ** Copper Island * Central Upper Peninsula ** US 41 Corridor *
Eastern Upper Peninsula The Upper Peninsula of Michigan – also known as Upper Michigan or colloquially the U.P. – is the northern and more elevated of the two major landmasses that make up the U.S. state of Michigan; it is separated from the Lower Peninsula by ...
** Straits Area ** Soo Area


Minnesota

* Arrowhead Region * Boundary Waters * Buffalo Ridge * Central Minnesota *
Coulee Region The Driftless Area, a topographical and cultural region in the American Midwest, comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois. Never covered by ice during the last ...
*
Iron Range The term Iron Range refers collectively or individually to a number of elongated iron-ore mining districts around Lake Superior in the United States and Canada. Much of the ore-bearing region lies alongside the range of granite hills formed by ...
*
Minnesota River Valley The Minnesota River ( dak, Mnísota Wakpá) is a tributary of the Mississippi River, approximately 332 miles (534 km) long, in the U.S. state of Minnesota. It drains a watershed of in Minnesota and about in South Dakota and Iowa. It ...
* North Shore *
Northwest Angle The Northwest Angle, known simply as the Angle by locals, and coextensive with Angle Township, is a pene-exclave of northern Lake of the Woods County, Minnesota. Except for surveying errors, it is the only place in the contiguous United Sta ...
*
Pipestone Region Pipestone County is a county in the U.S. state of Minnesota. As of the 2020 census, the population was 9,424. Its county seat is Pipestone. History The county was formed on May 23, 1857, by act of the territorial legislature, but was not or ...
*
Red River Valley The Red River Valley is a region in central North America that is drained by the Red River of the North; it is part of both Canada and the United States. Forming the border between Minnesota and North Dakota when these territories were admitted ...
* Southeast Minnesota * Twin Cities Metro


Mississippi

* Mississippi Alluvial Plain *
Mississippi Delta The Mississippi Delta, also known as the Yazoo–Mississippi Delta, or simply the Delta, is the distinctive northwest section of the U.S. state of Mississippi (and portions of Arkansas and Louisiana) that lies between the Mississippi and Yaz ...
* Mississippi Gulf Coast *
Natchez Trace The Natchez Trace, also known as the Old Natchez Trace, is a historic forest trail within the United States which extends roughly from Nashville, Tennessee, to Natchez, Mississippi, linking the Cumberland, Tennessee, and Mississippi rivers. ...


Missouri

* Boonslick * Bootheel *
Dissected Till Plains The Dissected Till Plains are physiographic sections of the Central Lowlands province, which in turn is part of the Interior Plains physiographic division of the United States, located in southern and western Iowa, northeastern Kansas, the southw ...
*
Kansas City Metropolitan Area The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With and a population of more th ...
* Lead Belt * Little Dixie *
Ozarks The Ozarks, also known as the Ozark Mountains, Ozark Highlands or Ozark Plateau, is a physiographic region in the U.S. states of Missouri, Arkansas, Oklahoma and the extreme southeastern corner of Kansas. The Ozarks cover a significant port ...
*
Platte Purchase The Platte Purchase was a land acquisition in 1836 by the United States government from American Indian tribes of the region. It comprised lands along the east bank of the Missouri River and added to the northwest corner of the state of Miss ...
* St. Louis Metropolitan Area


Montana

*
Big Horn Mountains The Bighorn Mountains ( cro, Basawaxaawúua, lit=our mountains or cro, Iisaxpúatahchee Isawaxaawúua, label=none, lit=bighorn sheep's mountains) are a mountain range in northern Wyoming and southern Montana in the United States, forming a ...
* Eastern Montana * The Flathead * Glacier Country * Glacier National Park * Regional designations of Montana * South Central Montana * Southwestern Montana *
Two Medicine Two Medicine is the collective name of a region located in the southeastern section of Glacier National Park, in the U.S. state of Montana. It has a campground alongside Two Medicine Lake. From the period starting in the late 1890s until the com ...
*
Western Montana Western Montana is the western region of the U.S. state of Montana. The most restrictive definition limits western Montana only to the parts of the state west of the Continental Divide. Other common definitions add in the mountainous areas east ...
*
Yellowstone National Park Yellowstone National Park is an American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho. It was established by the 42nd U.S. Congress with the Yellowst ...


Nebraska

*
Nebraska Panhandle The Nebraska Panhandle is an area in the western part of the state of Nebraska and one of several U.S. state panhandles, or elongated geographical regions that extend from their main political entity. The Nebraska panhandle is two-thirds as bro ...
* Northwest Nebraska * Pine Ridge * Rainwater Basin * Sand Hills * Southeast Nebraska * South Central Nebraska * Wildcat Hills


Nevada

*
Black Rock Desert __NOTOC__ The Black Rock Desert is a semi-arid region (in the Great Basin shrub steppe eco-region) of lava beds and playa, or alkali flats, situated in the Black Rock Desert–High Rock Canyon Emigrant Trails National Conservation Area, a si ...
*
Lake Tahoe Lake Tahoe (; was, Dáʔaw, meaning "the lake") is a freshwater lake in the Sierra Nevada of the United States. Lying at , it straddles the state line between California and Nevada, west of Carson City. Lake Tahoe is the largest alpine lake i ...
*
Las Vegas Valley The Las Vegas Valley is a major metropolitan area in the southern part of the U.S. state of Nevada, and the second largest in the Southwestern United States. The state's largest urban agglomeration, the Las Vegas Metropolitan Statistical Area i ...
*
Mojave Desert The Mojave Desert ( ; mov, Hayikwiir Mat'aar; es, Desierto de Mojave) is a desert in the rain shadow of the Sierra Nevada mountains in the Southwestern United States. It is named for the indigenous Mojave people. It is located primarily ...
* Pahranagat Valley *
Sierra Nevada The Sierra Nevada () is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primar ...


New Hampshire

*
Connecticut River Valley The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for through four states. It rises 300 yards (270 m) south of the U.S. border with Quebec, Canada, and discharges at Long Island ...
* Dartmouth-Lake Sunapee Region (overlaps with Connecticut River Valley) * Great North Woods Region * Lakes Region *
Merrimack Valley The Merrimack Valley is a bi-state region along the Merrimack River in the U.S. states of New Hampshire and Massachusetts. The Merrimack is one of the larger waterways in New England and has helped to define the livelihood and culture of those ...
**
Golden Triangle Golden Triangle may refer to: Places Asia * Golden Triangle (Southeast Asia), named for its opium production * Golden Triangle (Yangtze), China, named for its rapid economic development * Golden Triangle (India), comprising the popular tourist ...
* Monadnock Region (overlaps with Connecticut River Valley) * Seacoast Region (New Hampshire), Seacoast Region * White Mountains (New Hampshire), White Mountains


New Jersey

* North Jersey ** Skylands Region, Skylands *** Amwell Valley ***
Black Dirt Region The Black Dirt Region is located in southern Orange County, New York and northern Sussex County, New Jersey. It is mostly located in the western section of the Town of Warwick, centered on the hamlet of Pine Island. Some sections spill over i ...
(shared with New York) *** Great Appalachian Valley, Great Valley **** Sussex County Snow Belt *** Hunterdon Plateau ***
Ridge-and-Valley Appalachians The Ridge-and-Valley Appalachians, also called the Ridge and Valley Province or the Valley and Ridge Appalachians, are a physiographic province of the larger Appalachian division and are also a belt within the Appalachian Mountains extending ...
*** New York-New Jersey Highlands, Highlands *** Somerset Hills *** The Sourlands ** Gateway Region, Gateway *** Chemical Coast/Soundshore *** Hudson Waterfront **** North Hudson, New Jersey, North Hudson *** New Jersey Meadowlands, Meadowlands *** Pascack Valley *** Raritan Bayshore *** West Hudson, New Jersey, West Hudson * Central Jersey ** Raritan Bayshore, Bayshore ** Jersey Shore ** Shore Region * South Jersey ** Shore Region *** Northern Headlands **** Spring Lake, New Jersey, Irish Riviera *** New Jersey Pine Barrens **
Delaware Valley The Delaware Valley is a metropolitan region on the East Coast of the United States that comprises and surrounds Philadelphia, the sixth most populous city in the nation and 68th largest city in the world as of 2020. The toponym Delaware Val ...
*** New Jersey Pine Barrens *** The Sourlands ** Southern Shore Region, Southern Shore *** Cape May *** The Glades (New Jersey), The Glades *** Tri Cities (Bridgeton, New Jersey, Bridgeton, Millville, New Jersey, Millville, Vineland, New Jersey, Vineland) *** Tri-County Farm Belt ** Atlantic County, New Jersey, Greater Atlantic City *** New Jersey Pine Barrens *** Central Corridor Piedmont Region


New Mexico

* Central New Mexico * Eastern New Mexico * New Mexico Bootheel * Northern New Mexico


New York

* Downstate New York **
New York metropolitan area The New York metropolitan area, also commonly referred to as the Tri-State area, is the largest metropolitan area in the world by urban area, urban landmass, at , and one of the list of most populous metropolitan areas, most populous urban agg ...
** Borough (New York City), The Five Boroughs (New York City) ** Long Island *** Nassau County, New York, Nassau County *** Suffolk County, New York, Suffolk County ****East End (Long Island), East End **** The Hamptons *** North Shore (Long Island), North Shore (Gold Coast) *** South Shore (Long Island), South Shore ** Westchester County, New York, Westchester County ** Rockland County, New York, Rockland County ** Putnam County, New York, Putnam County * Upstate New York ** Erie Canal, Erie Canal Corridor *** New York State Canal System *** New York State Canalway Trail ** Western New York *** Holland Purchase *** Burned-over district ** Finger Lakes ** former Leatherstocking Country (now the Central New York Region) ** Central New York *** Central New York Military Tract *** Phelps and Gorham Purchase *** Syracuse metropolitan area ** Mohawk Valley ** Southern Tier ** Capital District, New York, Capital District ** North Country, New York, North Country *** Adirondack Mountains **** Adirondack Park *** Ski country *** Thousand Islands *** Tug Hill ** Catskill Mountains *** Borscht Belt ** Hudson Valley *** Shawangunk Ridge ***
Black Dirt Region The Black Dirt Region is located in southern Orange County, New York and northern Sussex County, New Jersey. It is mostly located in the western section of the Town of Warwick, centered on the hamlet of Pine Island. Some sections spill over i ...
(shared with New Jersey)


North Carolina

* Western North Carolina ** Western North Carolina#Foothills, Foothills Region *** South Mountains (North Carolina), South Mountains *** The Unifour, The Unifour (Catawba Valley Area) ** Western North Carolina#High Country, High Country (Boone Area) ** Land of the Sky *** Asheville metropolitan area, Asheville Metropolitan Area **** Great Craggy Mountains ***
Blue Ridge Mountains The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range. The mountain range is located in the Eastern United States, and extends 550 miles southwest from southern Pennsylvania through Maryland, West Virg ...
**** Black Mountains (North Carolina), Black Mountains **** Brushy Mountains (North Carolina), Brushy Mountains **** Great Balsam Mountains **** Unaka Range, Unaka Mountains **** Unicoi Mountains *** Great Smoky Mountains **** Western North Carolina#Tennessee Valley, Tennessee Valley * Piedmont (United States), Central North Carolina ** Piedmont Crescent *** Charlotte metropolitan area, Metropolitan Charlotte (Metrolina) **** Lake Norman, Lake Norman Area *** Piedmont Triad, Metropolitan Piedmont Triad **** Sauratown Mountains **** Uwharrie Mountains **** Yadkin Valley AVA, Yadkin Valley ** Research Triangle, The Research Triangle **** New Hope Valley **** Triangle East * Eastern North Carolina ** Fayetteville, North Carolina metropolitan area, Fayetteville Metropolitan Area ** Inner Banks *** Northeastern North Carolina#Albemarle Region, Albemarle *** Global TransPark, Global TransPark Economic Development Area *** Tidewater (geographic term), Tidewater ** Lower Cape Fear, Lower Cape Fear (Wilmington Area) ** Outer Banks *** Crystal Coast **** Bogue Banks **** Down East#North Carolina, Down East ** Sandhills (Carolina), Sandhills


North Dakota

* Badlands * Drift Prairie * Missouri Escarpment * Missouri Coteau, Missouri Plateau (''Missouri Coteau'' in French) * Missouri River Corridor *
Red River Valley The Red River Valley is a region in central North America that is drained by the Red River of the North; it is part of both Canada and the United States. Forming the border between Minnesota and North Dakota when these territories were admitted ...


Northern Mariana Islands

* Northern Islands Municipality, Northern Islands ** Alamagan ** Anatahan ** Agrihan ** Asuncion Island ** Farallon de Medinilla ** Farallon de Pajaros ** Guguan ** Maug Islands ** Pagan (island), Pagan ** Sarigan * Rota (island), Rota * Saipan * Tinian


Ohio

* Allegheny Plateau * Appalachian Ohio * Cincinnati-Northern Kentucky metropolitan area * Columbus, Ohio metropolitan area * Connecticut Western Reserve (historic, now defunct) * Great Black Swamp (shared with
Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th ...
) * The Lake Erie Islands * Miami Valley * Northeast Ohio (often used interchangeably with Greater Cleveland, but also includes the counties of Ashtabula County, Ohio, Ashtabula, Portage County, Ohio, Portage, Summit County, Ohio, Summit, Trumbull County, Ohio, Trumbull, Mahoning County, Ohio, Mahoning and Columbiana County, Ohio, Columbiana.) * Northwest Ohio


Oklahoma

* Central Oklahoma * Cherokee Outlet * Green Country (Oklahoma), Green Country * Choctaw Country * Little Dixie (Oklahoma), Little Dixie * Northwestern Oklahoma * Oklahoma Panhandle, Panhandle * South Central Oklahoma * Southwestern Oklahoma


Oregon

* Cascade Range * Central Oregon * Columbia Plateau * Columbia River * Columbia River Gorge * Eastern Oregon * Goose Lake Valley * Harney Basin * High Desert (Oregon), High Desert * Hood River Valley * Mount Hood Corridor * Northwest Oregon * Oregon Coast *
Palouse The Palouse ( ) is a distinct geographic region of the northwestern United States, encompassing parts of north central Idaho, southeastern Washington, and, by some definitions, parts of northeast Oregon. It is a major agricultural area, primar ...
*
Portland metropolitan area The Portland metropolitan area is a metro area in the U.S. states of Oregon and Washington centered on the principal city of Portland, Oregon. The U.S. Office of Management and Budget (OMB) identifies it as the Portland–Vancouver–Hillsboro, ...
* Rogue Valley * Southern Oregon * Treasure Valley * Tualatin Valley * Warner Valley * Western Oregon * Willamette Valley


Pennsylvania

* Allegheny National Forest * Coal Region *
Cumberland Valley The Cumberland Valley is a northern constituent valley of the Great Appalachian Valley, within the Atlantic Seaboard watershed in Pennsylvania and Maryland. The Appalachian Trail crosses through the valley. Geography The valley is bound to ...
*
Delaware Valley The Delaware Valley is a metropolitan region on the East Coast of the United States that comprises and surrounds Philadelphia, the sixth most populous city in the nation and 68th largest city in the world as of 2020. The toponym Delaware Val ...
* Pennsylvania Dutch Country, Dutch Country * Endless Mountains * Pennsylvania Highlands Region, Highlands Region * Laurel Highlands * Lehigh Valley * Northern Tier (Pennsylvania), Northern Tier * Northeastern Pennsylvania * Pennsylvania's Northwest Region, Northwest Region * Philadelphia Main Line * Pittsburgh metropolitan area * South Central Pennsylvania * Susquehanna River, Susquehanna Valley * Pocono Mountains, The Poconos * Western Pennsylvania * Wyoming Valley


Puerto Rico

* Caja de Muertos * Culebra, Puerto Rico, Culebra * Desecheo Island * Isla de Mona * Puerto Rico, Puerto Rico (main island) ** Cordillera Central (Puerto Rico), Cordillera Central ** El Yunque National Forest, El Yunque * Vieques, Puerto Rico, Vieques


Rhode Island

* Blackstone Valley * Block Island * East Bay (Rhode Island), East Bay * Warwick, Rhode Island, West Bay * Washington County, Rhode Island, South County


South Carolina

* South Carolina Lowcountry, The Lowcountry * Midlands (South Carolina), The Midlands * Upstate South Carolina, The Upstate *Travel/Tourism locations ** Grand Strand ** Lake Murray Country ** South Carolina Lowcountry, The Lowcountry & Resort Islands ** Ninety-Six District, South Carolina, Old 96 District ** Olde English District ** Pee Dee ** Santee Cooper Country *Other geographical distinctions **
Blue Ridge Mountains The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range. The mountain range is located in the Eastern United States, and extends 550 miles southwest from southern Pennsylvania through Maryland, West Virg ...
** Charleston, South Carolina metropolitan area, Charleston metropolitan area ** Coastal South Carolina ** Columbia, South Carolina metropolitan area, Columbia metropolitan area ** Piedmont (United States), The Piedmont ** Rock Hill, South Carolina Area ** Sandhills (Carolina), The Sandhills ** Sea Islands ** West Ashley


South Dakota

* East River (South Dakota), East River and West River (South Dakota), West River, divided by the Missouri River * Badlands National Park, Badlands * Black Hills * Coteau des Prairies


Tennessee

* East Tennessee * Middle Tennessee * West Tennessee *Other geographical distinctions: ** Highland Rim ** Nashville Basin ** Tennessee Valley


Texas

* Brazos Valley * Central Texas ** Texas blackland prairies ** Texas Hill Country, The Hill Country *
Gulf Coast The Gulf Coast of the United States, also known as the Gulf South, is the coast, coastline along the Southern United States where they meet the Gulf of Mexico. The list of U.S. states and territories by coastline, coastal states that have a shor ...
** Galveston Bay ** Greater Houston * East Texas ** Piney Woods and Northeast Texas * North Texas ** Dallas – Fort Worth Metroplex ** Texoma * South Texas ** Mission Country ** Rio Grande Valley (Texas), Rio Grande Valley * Southeast Texas ** Golden Triangle (Texas), Golden Triangle ** Greater Houston * Texas Midwest/West-Central Texas (includes Abilene, Texas, Abilene, San Angelo, Texas, San Angelo, Brownwood, Texas) * Texas Urban Triangle (Houston to San Antonio to Dallas-Fort Worth) * West Texas ** Concho Valley ** Edwards Plateau **
Llano Estacado The Llano Estacado (), sometimes translated into English as the Staked Plains, is a region in the Southwestern United States that encompasses parts of eastern New Mexico and northwestern Texas. One of the largest mesas or tablelands on the Nort ...
(a portion of northwest Texas) ** Permian Basin (North America), Permian Basin ** South Plains (includes 24 counties south of the Texas Panhandle and north of the Permian Basin) ** Texas Panhandle (pictured) ** Trans-Pecos **
Great Plains The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, a ...


U.S. Minor Outlying Islands

*
Baker Island Baker Island, formerly known as New Nantucket, is an uninhabited atoll just north of the Equator in the central Pacific Ocean about southwest of Honolulu. The island lies almost halfway between Hawaii and Australia. Its nearest neighbor is H ...
*
Howland Island Howland Island () is an uninhabited coral island located just north of the equator in the central Pacific Ocean, about southwest of Honolulu. The island lies almost halfway between Hawaii and Australia and is an unorganized, unincorporated ter ...
*
Jarvis Island Jarvis Island (; formerly known as Bunker Island or Bunker's Shoal) is an uninhabited coral island located in the South Pacific Ocean, about halfway between Hawaii and the Cook Islands. It is an unincorporated, unorganized territory of the Un ...
* Johnston Island *
Kingman Reef Kingman Reef is a largely submerged, uninhabited, triangle-shaped reef, geologically an atoll, east-west and north-south, in the North Pacific Ocean, roughly halfway between the Hawaiian Islands and American Samoa. It has an area of 3 hectar ...
*
Midway Atoll Midway Atoll (colloquial: Midway Islands; haw, Kauihelani, translation=the backbone of heaven; haw, Pihemanu, translation=the loud din of birds, label=none) is a atoll in the North Pacific Ocean. Midway Atoll is an insular area of the Unit ...
* Navassa Island * Palmyra Atoll *
Wake Island Wake Island ( mh, Ānen Kio, translation=island of the kio flower; also known as Wake Atoll) is a coral atoll in the western Pacific Ocean in the northeastern area of the Micronesia subregion, east of Guam, west of Honolulu, southeast of T ...


U.S. Virgin Islands

*Saint Croix *Saint John, U.S. Virgin Islands, Saint John *Saint Thomas, U.S. Virgin Islands, Saint Thomas


Utah

* Cache Valley *
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area o ...
* Dixie (Utah), Dixie * Great Salt Lake Desert *
Mojave Desert The Mojave Desert ( ; mov, Hayikwiir Mat'aar; es, Desierto de Mojave) is a desert in the rain shadow of the Sierra Nevada mountains in the Southwestern United States. It is named for the indigenous Mojave people. It is located primarily ...
* San Rafael Swell * Southeastern Utah * Southwestern Utah * Uinta Mountains * Wasatch Back * Wasatch Front * Wasatch Range


Vermont

* Burlington, Vermont metropolitan area, Burlington metropolitan area * Champlain Valley * Green Mountains * Mount Mansfield * Northeast Kingdom


Virginia

* Eastern Shore of Virginia, Eastern Shore * Hampton Roads * Historic Triangle * Piedmont region of Virginia * Northern Neck * Northern Virginia * Greater Richmond Region * Shenandoah Valley * South Hampton Roads * Southside (Virginia), Southside Virginia * Southwest Virginia * Tidewater region of Virginia, Tidewater * Tri-Cities, Virginia, Tri-Cities * Virginia Peninsula


Washington

* Central Washington * Columbia Plateau * Eastern Washington * Kitsap Peninsula * Long Beach Peninsula * Okanagan Country * Olympic Mountains * Olympic Peninsula * Puget Sound region, Puget Sound *
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico ...
* San Juan Islands * Skagit Valley * Southwest Washington * Tri-Cities, Washington, Tri-Cities * Walla Walla County, Washington, Walla Walla Valley * Western Washington * Yakima River, Yakima Valley


West Virginia

* Eastern Panhandle of West Virginia, Eastern Panhandle * North Central West Virginia * Northern Panhandle of West Virginia, Northern Panhandle * Potomac Highlands of West Virginia, Potomac Highlands * Southern West Virginia


Wisconsin

Wisconsin can be divided into regions of Wisconsin, five geographic regions. * Central Plain (Wisconsin), Central Plain * Eastern Ridges and Lowlands * Lake Superior Lowland * Northern Highland * Western Upland


Wyoming

* Bighorn Basin * Powder River Country


Other regional listings


Regions of the Boy Scouts of America

* Central Region (Boy Scouts of America), Central Region * Northeast Region (Boy Scouts of America), Northeast Region * Southern Region (Boy Scouts of America), Southern Region * Western Region (Boy Scouts of America), Western Region


5 Geographic Regions

A common but unofficial way of referring to regions in the United States is grouping them into 5 regions according to their geographic position on the continent. They are the Northeast, Southeast, Midwest, Southwest, and West.


See also

* Geography of the United States * Historic regions of the United States * List of metropolitan areas of the United States * Media market, e.g., Nielsen Designated Market Area * Political divisions of the United States * United States territory * Vernacular geography


Notes


References


External links


U.S. Library of Congress Map of the US Regions
{{DEFAULTSORT:Regions Of The United States, List Of Regions of the United States, * Regions of the United States by state, *List United States geography-related lists United States history-related lists United States science-related lists Regions of North America by country, United States