 Hispaniola is the second-largest island in the Caribbean (after Cuba), with an area of ,  of which is under the sovereignty of the Dominican Republic occupying the eastern portion and under the sovereignty of Haiti occupying the western portion.The island of Cuba lies to the northwest across the Windward Passage; 190 km to the southwest lies Jamaica, separated by the Jamaica Channel.Puerto Rico lies 130 km east of Hispaniola across the Mona Passage.