Gotska Sandön (literally translated as "The Gotlandic Sand Island") is an uninhabited Swedish island north of Gotland in the Baltic Sea. It has been a national park since 1909. Geography. Gotska Sandön is situated 38 km (24 mi) north of Fårö in the Baltic Sea. Legally a part of Gotland province, it is approximately 9 km (5.6 mi) long and 6 km (3.7 mi) wide, with a total area of approximately 36 km2 (14 sq mi). The island is part of Fårö socken (not to be confused with parish). It comprises the same area as the administrative Fårö District, established on 1 January 2016.
https://en.wikipedia.org/wiki/Gotska_Sand%C3%B6n