Haiti is in a region.
Haiti ( [ ˈheɪti ] Haïti [ a.iti ] Ayiti [ ajiti ] ) , officially the Republic of Haiti and formerly called Hayti , is a country located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean Sea . Haiti is 27750 km2 in size and has an estimated 10.6 million people , making it the most populous country in the Caribbean Community ( CARICOM ) and the second-most populous country in the Caribbean as a whole . The region was originally inhabited by the indigenous Taíno people .