St Kitts and Nevis is a dual-island nation located between the Atlantic Ocean and Caribbean Sea, forming part of the West Indies in the northeastern Caribbean. Positioned to the west of Antigua and Barbuda and south of Anguilla, the country comprises two main islands: St Kitts (also known as Saint Christopher) and Nevis.

Situated in the northern part of the Lesser Antilles, approximately 1,300 miles southeast of Miami, Florida, USA, St Kitts is the larger island to the northwest, while Nevis is the smaller island situated to the southeast of St Kitts, separated by a narrow channel known as ‘The Narrows’.

St Kitts and Nevis form part of the Caribbean region within the larger North America continent. Bordered by the surrounding continents of North America to the north, Central America to the west, and South America to the south, the islands are part of the West Indies archipelago, comprising numerous islands and island nations. Within the West Indies, they belong to the subregion of the Lesser Antilles.

The capital city, Basseterre, is located on the southern coast of St Kitts.