The Cibao, usually referred as "El Cibao", is a region of the Dominican Republic located at the northern part of the country. As of 2009 the Cibao has a population of 5,622,378 making it the most populous region in the country.

The Dominican Republic is a country on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean Sea, bordered by the Atlantic Ocean to the north. It occupies the eastern five-eighths of the island, which it shares with Haiti, making Hispaniola one of only two Caribbean islands, along with Saint Martin, that is shared by two sovereign states. It is the second-largest nation in the Antilles by area at 48,671 square kilometers (18,792 sq mi), and second-largest by population, with approximately 11.4 million people in 2024, of whom approximately 3.6 million live in the metropolitan area of Santo Domingo, the capital city.