Fallout 3 is set in the year 2277 and takes place in Washington D.C., Northern Virginia, and parts of Maryland. In all Fallout games you start in a Vault and in Fallout 3 you begin in Vault 101 which is near Megaton, a town that will play a role in the game.
How Many Vaults Are In Fallout 3?
There are a total of 6 Vaults you can find in your Fallout 3 adventure and they do play a role in the story. They all have different backgrounds such as Vault 112 which features the Tranquility Lane simulation that can be very evil.
Below are the full list of Vaults featured in Fallout 3:
Vault 101 – Capital Wasteland
Vault 106 – Central Plains and Potomac
Vault 108 – Eastern Hills and D.C. Outskirts
Vault 112 – Capital Wasteland
Vault 87 – Irradiated Western Plains
Vault 92 – Northeast Territories
Those are all you can find in Fallout 3 with their locations attached. In all Fallout video games, you’ll be able to find multiple different Vaults.