The following outline is provided as an overview of and topical guide to Saint Vincent and the Grenadines: Saint Vincent and the Grenadines is a sovereign island nation located in the Lesser Antilles archipelago in the Caribbean Sea. Its 389-square-kilometre (150 sq mi) territory consists of the main island of Saint Vincent and the northern two-thirds of the Grenadines. The country has a French and British colonial history and is now part of the Commonwealth of Nations and CARICOM.