Gotland is a province, county, municipality, and diocese of Sweden. It is Sweden's largest island and the largest island in the Baltic Sea. With its total area of 3,140 square kilometers, the island of Gotland and the other areas of the province of Gotland make up less than one percent of Sweden's total land area. The province includes the small islands of F�r� and Gotska Sand�n to the north and some tiny islands, including the Karls� Islands (Lilla and Stora) to the west. The island of Gotland has an area of 2,994 km2, whereas the province has 3,183.7 km2 (3,151 km2 of land excluding the lakes and rivers). The population is 57,221, of which about 22,200 live in Visby, the main town. The island's main sources of income are tourism, agriculture, and concrete production from locally mined limestone
