Greenland
Size: 836,109 sq mi ( 2,166,086 sq km)
It is geographically a lot closer to North America, but Greenland still swears allegiance to Denmark, and the Queen of Denmark is technically “in charge”, but they have their own elected prime minister as well. The total population of Greenland is a measly 56,615 making it the least densely populated country in the world.
The other top 4
2. New Guinea
3. Borneo
4. Madagascar
5. Baffin Island