Østerlars Is a Danish island best known for its round church and located where?
Bornholm Bornholm (] ; Old Norse: "Burgundaholmr" ) 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. The main industries on the island include, dairy farming, and arts and crafts such as glass production and pottery using locally worked clay. Tourism is important during the summer. There is an especially large number of Denmark's round churches on the island. The total area according to www.noegletal.dk (Municipal and Regional Key Figures) was 588.36 km2 (January 2016). Population was 39,664 (1 April 2017).
Amager Amager (] or, especially among older speakers, ] ) in the Øresund is Denmark's most densely populated island with almost 200,000 inhabitants on the small appendix to Zealand. The protected natural area of "Naturpark Amager" (including Kalvebod Fælled) makes up more than one-third of the island's total area of 96 km.