Location

The locations in the post-nuclear United States form the backdrop in which the events of the Fallout series occur. Many have diverse environments where anything can happen. Such as a special encounter, or just a skirmish with raiders. The environments and places have been changed over the course of the many games, as the settings have always been in different places, and always brought new surprises with them.

Known regions

 * Capital Wasteland
 * New California
 * Mojave Wasteland
 * Midwest
 * Utah
 * Texas
 * The Pitt
 * Point Lookout
 * The Island
 * The Commonwealth

Capital Wasteland
In the Capital Wasteland, there are 22 settlements, ranging in size from Rivet City, with a population of 43 named characters and 7 Stores, to Girdershade: 2 people and no merchants. Apart from Rivet City, there are 4 other major settlements: Megaton, which would be probably the first settlement the Lone Wanderer encounters after escaping the vault; Underworld, the city inside downtown DC full of ghouls; Tenpenny Tower, a former luxury hotel that Allistair Tenpenny lets people in for the right price-ghouls need not apply; and the Citadel, home of the Brotherhood of Steel. Besides those, there is the Republic of Dave, Canterbury Commons, Oasis, Paradise Falls, the Temple of the Union, Little Lamplight, Arefu, Andale, and the Reilly's Rangers compound are all settlements of a medium size, and all have related quests. Vault 101 and 112 both are also populated: Vault 101 is where the story starts, yet is closed after being left for the first time, is reopened during the Trouble on the Homefront quest, and after that, it is once again sealed, but this time for good. However there is evidence of an inevitable rebellion as Butch is found in Rivet City in the Muddy Rudder. Vault 112, home of the Tranquility Lane simulator, is populated only by RoboBrains and, briefly, the Lone wanderer's father, James.

Vaults
There were a total of 122 Vaults that were known to the public, and this number may not include any of the secret Vaults that the pre-War American government could have constructed for private purposes of protecting high-ranking officials. Most of the Vaults were actually created for testing some sort of social, or emotional flaw and how they would react to it, and only about 17 of the Vaults were actually meant for people to live normal lives in the Vault, and not to be exposed to carnivorous plants (Vault 22), or the door not meant to close all the way, thus exposing the residents to lethal amounts of radiation (Vault 12).

Locations

 * Vault 3: South Vegas Ruins.
 * Vault 8 (Vault City): Northern Nevada.
 * Vault 11: South of 188 Trading Post.
 * Vault 12: Bakersfield (Necropolis).
 * Vault 13: Mt.Whitney, Southern California.
 * Vault 15: Southern California.
 * Vault 19: Southeast of Red Rock Canyon.
 * Vault 21: Inside the Strip in New Vegas.
 * Vault 22: In between New Vegas & Jacobstown.
 * Vault 34: East of New Vegas & west of Bitter Springs.
 * Vault 75: Underneath Malden Middle School in Malden.
 * Vault 81: North of Boston.
 * Vault 87: Northwest of Little Lamplight.
 * Vault 88: Underneath Quincy Quarries.
 * Vault 92: Near Old Olney.
 * Vault 95: Northeast of the Glowing Sea.
 * Vault 101: Northwest of Megaton.
 * Vault 106: South of Arefu.
 * Vault 108: South of Canterbury Commons.
 * Vault 111: Northwest of Sanctuary Hills.
 * Vault 112: West of Evergreen Mills.
 * Vault 114: Inside Park Street Station underneath Boston Common.
 * Vault 118: Underneath Cliff's Edge Hotel near Far Harbor.

Capital Wasteland

 * Adams Air Force Base based on Andrews Naval Air Facility, Maryland.
 * The Washington Monument based on itself.
 * Bethesda Ruins based on Bethesda Maryland.
 * The Citadel based on the Pentagon.
 * Little Lamplight based on Luray Caverns, Virginia.
 * Many Metro stations are based on actual Metro stations, such as Dupont Circle, L'Enfant Plaza, Foggy Bottom, Metro Central, and Tenleytown.
 * Montgomery County Reservoir based in Montgomery County, Maryland.
 * Old Olney based on Olney, Maryland.
 * Raven Rock based on a combination of Raven Rock Mountain Complex (location) and the Mount Weather complex (appearance).
 * Fairfax ruins based on Fairfax, Virginia.
 * Andale based on Annadale, Virginia.

The Pitt

 * The Pitt based on Pittsburgh, Pennsylvania.

Point Lookout

 * Point Lookout based on Point Lookout National Park.

Core Region (New California)

 * New Reno based on Reno, Nevada.
 * San Francisco based on San Francisco, California.
 * Boneyard based on Los Angeles, California.

Mojave Wasteland

 * Black Mountain based on  Black Mountain.
 * Boulder City based on Boulder City, Nevada.
 * Goodsprings based on Goodsprings, Nevada.
 * Hoover Dam based on Hoover Dam.
 * Lake Mead based on Lake Mead.
 * Nellis Air Force Base based on Nellis Air Force Base, Nevada.
 * New Vegas based on Las Vegas, Nevada.
 * Nipton based on Nipton, California.
 * Primm based on Primm, Nevada.
 * Red Rock Canyon based on Red Rock Canyon.
 * Camp Searchlight based on Searchlight, Nevada.
 * Sloan based on Sloan, Nevada.
 * Camp McCarran based on McCarran International Airport.

The Commonwealth

 * Concord based on Concord, Massachusetts.
 * Lexington based on Lexington, Massachusetts.
 * Salem based on Salem, Massachusetts.
 * Natick Banks based on Natick, Massachusetts.
 * Quincy Ruins based on Quincy, Massachusetts.
 * Nahant based on Nahant, Massachusetts.
 * Malden based on Malden, Massachusetts.
 * Hyde Park based on Hyde Park, Boston.
 * Jamaica Plain based on Jamaica Plain, Boston.
 * Diamond City based on Fenway Park.
 * Goodneighbor based on Scollay Square & Old State House.
 * Faneuil Hall based on Faneuil Hall.
 * Boston Common based on Boston Common.
 * Boston Airport based on Logan International Airport.
 * C.I.T. Ruins based on Institute of Technology (MIT).
 * College Square based on Harvard Square.
 * Monsignor Plaza based on CambridgeSide Galleria.
 * Bunker Hill based on Bunker Hill Monument.
 * University Point based on University of Massachusetts Boston (Umass Boston).
 * Saugus Ironworks based on Saugus Iron Works National Historic Site.
 * Hubris Comics based on Newbury Comics flagship store.
 * Boston Public Library based on Boston Public Library.
 * Massachusetts State House based on Massachusetts State House.
 * Trinity Plaza based on Trinity Church.
 * Walden Pond based on Walden Pond.

The Island

 * Far Harbor based on Bar Harbor, Maine.

Zion

 * Zion Canyon based on Zion National Park

Four States Commonwealth

 * New Canaan based on Ogden, Utah.
 * Dog City based on Denver, Colorado.
 * Grand Canyon based on Grand Canyon.
 * Two Sun based on Tucson, Arizona.


 * Boulder aka Dome City or Stone City based on Boulder, Colorado.
 * New Jerusalem based on Salt Lake City, Utah.
 * Mesa Verde based on Mesa Verde, Colorado.

Midwest

 * Buena Vista based on Buena Vista, Colorado.

Texas
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