Saint Vincent and the Grenadines is an island in the Lesser Antilles chain, in the southern portion of the Windward Islands, which lie at the southern end of the eastern border of the Caribbean Sea where the latter meets the Atlantic Ocean. Its 150 sq mi territory consists of the main island of Saint Vincent and the northern two-thirds of the Grenadines, which are a chain of smaller islands stretching south from Saint Vincent Island to Grenada. The main island of Saint Vincent measures 11 mi long, 6.8 mi in width and 133 sq mi in area. From the most northern to the most southern points, the Grenadine islands belonging to Saint Vincent span 37.5 mi with a combined area of 17 sq mi. Most of the nation lies within the Hurricane Belt. To the north of Saint Vincent lies Saint Lucia, to the east Barbados. Saint Vincent and the Grenadines is a densely populated country (over 300 inhabitants/km2) with approximately 120,000 inhabitants. Its capital is Kingstown, also its main port. The country has a French and British colonial history and is now part of the Organisation of Eastern Caribbean States, CARICOM, the Commonwealth of Nations, the Bolivarian Alliance for the Americas and the Community of Latin American and Caribbean States.