Its capital and largest city is Bridgetown. It lies on the boundary of the South American and the Caribbean Plates. Barbados ( UK: / b ɑː ˈ b eɪ d ɒ s/ bar- BAY-doss US: / b ɑːr ˈ b eɪ d oʊ s/ bar- BAY-dohss locally / b ə ˈ b eɪ d ə s/ buh- BAY-dəss) is an island country in the Lesser Antilles of the West Indies, in the Caribbean region of North America, and is the most easterly of the Caribbean Islands.