Great Britain

Real world full name: United Kingdom of Great Britain and Northern Ireland.

An island nation in Europe far to the east of the core region/known world for the Fallout series. Before the Great War it was a wealthy country and most likely a nuclear power (like its real world counterpart). It was the leader of the states in the European Commonwealth. Allistair Tenpenny is known to have come from the United Kingdom before travelling across the Atlantic.