Hiddensee is an island in the Baltic Sea, located west of Rügen on the German coast.
The island, located 54°33’ north longitude 13°07’ east, has about 1,300 inhabitants. It was a popular vacation destination for the DDR. It is the location of a University of Greifswald's ornithological station. Gerhart Hauptmann is buried there.
See also: List of islands of Germany.