Wolin [vɔlin] ( German : Wollin , German pronunciation: [vɔliːn] , Pomeranian Wòlin ) is the name of a Polish island in the Baltic Sea , just off the Polish coast, and a town on that island. Administratively the island belongs to the West Pomeranian Voivodeship . Wolin is separated from the island of Usedom (Uznam) by the Strait of Świna , and from mainland Pomerania by the Strait of Dziwna . The island has an area of 265 km 2 (102 sq mi) Mount Grzywacz at 116 m above sea level
Usedom ( German : Usedom [uːzədɔm] , Polish : Uznam [Uznam] ) is a Baltic Sea island in Pomerania , divided since 1945 entre Germany and Poland . It is the second biggest Pomeranian island after Rügen .
Rügen ( German pronunciation: [ʁyːɡn̩] ; aussi lat. Rugia ; Ruegen ) is Germany ‘s Largest island by area.  It is located on the Pomeranian coast in the Baltic Sea and belongs to the state of Mecklenburg-Western Pomerania .
Hailuoto ( Swedish : Karlo ) is an island and a municipality in Northern Ostrobothnia Region , Finland . The population of Hailuoto is 981 (August 31, 2017)  and the municipality covers an area of 200.53 km 2 (excluding sea areas) of which 1.70 km 2 (0.66 sq mi) is inland water (January 1, 2016).  The population density is 4.89 / km 2 (12.7 / sq mi).
Fehmarn ( German pronunciation ( help · info ) ) ( Danish : Femern ) is an island and-since 2003 -a town on this island in the Baltic Sea , off the eastern coast of Schleswig-Holstein , Germany , and c. 18 kilometers south of the Danish island of Lolland . It belongs to the district of Ostholstein .
The Åland Islands or Åland ( Swedish : Åland , IPA: [Oland] ; Finnish : Ahvenanmaa ) is an archipelago at the entrance to the Gulf of Bothnia in the Baltic Sea Belonging to Finland . It is autonomous , demilitarised and is only monolingually Swedish-speaking region in Finland. It is the smallest region of Finland , constituting 0.49% of its land area and 0.50% of its population.