Saint Vincent and the Grenadines is an island country 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 389 km (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 18 km (11 mi) long, 11 km (6.8 mi) in width and 344 km (133 sq mi) in area. From the most northern to the most southern points, the Grenadine islands belonging to Saint Vincent span 60.4 km (37.5 mi) with a combined area of 45 km (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.