Sanctuary Hills is the town in which the protagonist lives before the Great War.
The family have a house there.
Vault 111 is the local vault for the town.
After the war[edit]
Upon leaving the vault 200 years after the war the protagonist returns to their hometown, which has since been destroyed. The player can optionally rebuild Sanctuary Hills as a custom settlement.
NOTE: The town is referred to as just "Sanctuary" from that point on.
Near this town, in a gas station, you will locate a dog known as Dogmeat which is your most loyal companion, Dogmeat cannot be killed while a companion but can be injured which will leave the dog in a injured state until it can recover, in this state the dog cannot perform any commands or assist in combat.