Bornholm Bornholm Bornholm (; ) is a Danish island in the Baltic Sea, to the east of the rest of Denmark, south of Sweden, northeast of Germany and north of the westernmost part of Poland. Occupying an area of , the island had a total population on 1 January 2018 of 39,632. Among Bornholm's chief industrial activities are dairy farming and arts-and-crafts industries such as glass production and pottery using locally worked clay. Tourism is also important during the summer months. The island is home to an especially large number of Denmark's round churches. The island is known as "solskinsøen" ("Sunshine
Baltic Sea The Bornholm Basin is the area east of Bornholm, and the shallower Arkona Basin extends from Bornholm to the Danish isles of Falster and Zealand. In the south, the Bay of Gdańsk lies east of the Hel Peninsula on the Polish coast and west of the Sambia Peninsula in Kaliningrad Oblast. The Bay of Pomerania lies north of the islands of Usedom and Wolin, east of Rügen. Between Falster and the German coast lie the Bay of Mecklenburg and Bay of Lübeck. The westernmost part of the Baltic Sea is the Bay of Kiel. The three Danish straits, the Great