The largest island in Cuba is called Isla de la Juventud, and there are 4,195 other islands, islets, and cays that encircle the main island. Officially known as the Republic of Cuba, Cuba is an island nation. It is situated at the confluence of the Atlantic, Gulf of Mexico, and northern Caribbean Seas. Cuba is situated north of Jamaica and the Cayman Islands, west of Hispaniola (Haiti/Dominican Republic), south of Florida and the Bahamas, and east of the Yucatán Peninsula (Mexico). The capital and largest city is Havana. With roughly 10 million people, Cuba is the third most populated nation in the Caribbean, behind Haiti and the Dominican Republic. In terms of area, it is the largest nation in the Caribbean.