Østerlars Is a Danish island best known for its round church and located where?
Østerlars: Østerlars is a village in the northeast of the Danish island of Bornholm, 6 km south of Gudhjem and 5 km northwest of Østermarie. Østerlars:  It is best known for its round church, the largest on the island. 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.
Danish island in the Baltic Sea