Rügen was a Kreis (district) in the northeastern part of Mecklenburg-Western Pomerania, Germany.
The district was bordered entirely by the Baltic Sea.
The nearest districts were Nordvorpommern and the district-free city Stralsund.
It was thus the only district of Germany which consists solely of islands.
The subdivisions of the district were (situation August 2011): Media related to Landkreis Rügen at Wikimedia Commons