Curacao, is a constituent island country within the Kingdom of the Netherlands in the southern Caribbean Sea, specifically the Dutch Caribbean region, about 65 km (40 mi) north of Venezuela. Curaçao includes the main island of Curaçao and the much smaller, uninhabited island of Klein Curaçao (“Little Curaçao”). Curaçao has a population of 158,665 (January 2019 estimate), with an area of 444 km2 (171 sq mi); its capital is Willemstad. Together with Aruba and Bonaire, Curaçao forms the ABC islands. Collectively, Curaçao, Aruba, and other Dutch islands in the Caribbean are often called the Dutch Caribbean. It is the largest of the ABC islands in terms of area and population, as well as the largest in the Dutch Caribbean.