Tortuga is a Caribbean island that forms part of Haiti, off the northwest coast of Hispaniola. It constitutes the commune of Île de la Tortue in the Port-de-Paix arrondissement of the Nord-Ouest Department of Haiti. Tortuga is 180 km² (69 mi²) in size and had a population of 25,936 at the 2003 Census. In the 17th century, Tortuga was a major centre of Caribbean piracy. Its tourist industry and reference in many works has made it one of the most recognized regions of Haiti.