Where in the World is Kingstown found? Kingstown is the capital of Saint Vincent and the Grenadines (Saint Vincent and the Grenadines), situated in the Caribbean subregion of North America. In Kingstown, the currency used is Eastern Caribbean dollar ($), which is the official currency used in Saint Vincent and the Grenadines. The Latitude, Longitude cordinates of Kingstown are 13.1587, -61.2248.