Ertholmene
（重定向自Christianso）
![](/Images/godic/202501/04/Christiansø_buildings1634.jpg")
![View from Christiansø to Frederiksø](/Images/godic/202501/04/Christiansö_July_20081634.jpg")
![Christiansø panorama](/Images/godic/202501/04/Denmark_island_Christianso_from_Ertholmene_archipelago1634.jpg")
![Carte d'Ertholmene](/Images/godic/202501/04/Ertholmene1634.jpg")
Ertholmene, generally called Christiansø, is a small archipelago situated approximately 18 km northeast of Bornholm in the Baltic Sea. Its permanent population is 92 (as of 2013) and its area is 39 hectares (0.39 km). Ertholmene belongs to Denmark and has the country's easternmost point.