Haiti (; ; ), officially the Republic of Haiti (; ), is a country in the western hemisphere, and is located on the island of Hispaniola, in the Greater Antilles archipelago of the Caribbean. It occupies the western three-eighths of the island which it shares with the Dominican Republic. Haiti is in size and has an estimated 10.6 million people, making it the most populous country in the Caribbean Community (CARICOM) and the third-most populous country in the Caribbean as a whole.