Tags: Military Structure.
Ertholmene generally called Christiansø is a small archipelago situated approximately 18 km northeast of Bornholm in the Baltic Sea. Its permanent population is 90 (as of 2014) and its area is 39 hectares (0.39 km2). Ertholmene belongs to Denmark and has the country’s easternmost point.Ertholmene consists of three main islands Christiansø (named after King Christian V) Frederiksø (named after King Frederick IV) and Græsholm plus a number of minor rocks and skerries.
