Which of the following is the least densely populated

Solution

Greenland is the the part of Denmark. Greenland is the least populated place in the world. Population of Greenland is 57000. Recently, the US President expressed it's desire to buy the Danish territory. The pace has the strategic importance for the USA due to it's location in case of if there is an increase of tensions with Russia Greenland also have oil, gas and rare earth mineral reserves which works as attracting factor for global firms.