By area, Greenland is distinctive in that it is the world's largest island with an area of 836,330 square miles (2,166,086 sq km). It is not however a continent.Due to its large area and small population of 57,600 people, Greenland is also the most sparsely populated country in the world.The following is a list of ten interesting geographic facts about Greenland:y area, Greenland is distinctive in that it is the world's largest island with an area of 836,330 square miles (2,166,086 sq km). It is not however a continent.