Haiti ( French : HaÃ ti ; Haitian Creole : Ayiti ) , officially the Republic of Haiti ( French : RÃ publique d'Ha Ã ti ; Haitian Creole : Repiblik d Ayiti ) is a country on the Caribbean island of Hispaniola ; the other country on the island is the Dominican Republic . Haiti ( ; French HaÃ ti , ; Haitian Creole : Ayiti , ) , officially the Republic of Haiti is a Caribbean country .