Masalembu Islands
The Masalembu Islands lie in the Java Sea to the north of Madura, about halfway between Madura and Borneo. They administratively form Masalembu District of Sumenep Regency of Madura, in the Indonesian province of East Java. The Madurese language is spoken on the islands. The three main islands are Masalembu Island, Masakambing Island, and Karamian Island. The land area of the district is 40.85 square km, and they had a population of 20,687 people in the 2000 census, increasing to 21,705 at the 2010 Census; the latest estimate as at 2015 is 23,751.