Realms in Exile
Realms in Exile also known as the Kingdoms of the Dúnedain was the collective name for Arnor and Gondor, the North-Kingdom and South-kingdom of the Dúnedain in the Westlands of Middle-earth. Both Kingdoms were founded in S.A. 3320 by High King Elendil, and his sons who ruled Ithilien and Anorien.
Arnor occupied a central part of Eriador until it vanished during the Third Age (divided in T.A. 861 and destroyed in 1974) but at the end of that Age, the expanse of both kingdoms formed the Reunited Kingdom under Aragorn Elessar.