The Dominican Republic (; ) is a country on the island of Hispaniola, in the Greater Antilles archipelago in the Caribbean region. The western three-eighths of the island is occupied by the nation of Haiti, making Hispaniola one of two Caribbean islands, along with Saint Martin, that are shared by two countries. Both by area and population the Dominican Republic is the second-largest Caribbean nation (after Cuba), with and nearly 10 million people, one million of whom live in the capital city Santo Domingo.