Claim: Eleuthera is an archipelago that incorporates the Harbour Island, it is adjacent to the North Atlantic Ocean in Barbados whose capital is Nassau.
Evidence: Eleuthera (/ɪˈljuːθərə/) refers both to a single island in the archipelagic state of The Commonwealth of the Bahamas and to its associated group of smaller islands. Barbados (/bɑːrˈbeɪdɒs/ (listen) or /-doʊs/) is an island country in the Lesser Antilles of the West Indies, in the Caribbean region of North America.