OAS, Organization of American States - an association of countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation

country, land, state - the territory occupied by a nation; "he returned to the land of his birth"; "he visited several European countries"

Caribbean - region including the Caribbean islands

Windward Islands, Windward Isles - a group of islands in the southeastern West Indies; the southern part of the Lesser Antilles

Saint Vincent, St. Vincent - an island in the center of the Windward Islands; the largest of the islands comprising Saint Vincent and the Grenadines