(3) Denmark Explanation: Greenland is an autonomous country within the Kingdom of Denmark, located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. With a population of 56,749 (2012 estimate), it is the least densely populated dependency or country in the world. Greenland became a Danish colony in 1814 after being under the rule of DenmarkNorway for centuries, With the Constitution of Denmark of 1953, Greenland became part of the Danish Realm.