Cuba officially the Republic of Cuba, consists of the island of Cuba (the largest of the Greater Antilles), the Isle of Youth and adjacent small islands. Cuba is located in the northern Caribbean at the confluence of the Caribbean Sea, the Gulf of Mexico and the Atlantic Ocean. Cuba is south of the eastern United States and the Bahamas, west of the Turks and Caicos Islands and Haiti and east of Mexico. The Cayman Islands and Jamaica are to the south.