Greenland and the Faroe Islands are not included in Denmark because they are autonomous territories.
The area of Greenland is equivalent to 10 times that of Britain and about a quarter of that of the United States. It covers an area of 2 189837 square kilometers. It starts from Piridi in the north and ends at Fawell Point in the south, with a distance of 2574 kilometers and its widest point is about 1290 kilometers. It is actually a world of ice and snow. It is Greenland, the largest island in the world.
Reference:
http://www.xzqh.org/waiguo/europe/2006.htm
Greenland is the largest island in the world. Located in the northeast of North America. About four-fifths of the islands are in the Arctic Circle. The area is 2 175600 square kilometers. The population is 56,200 (200 1 year 1 month), most of them are Greenlanders, and 14% are from other Nordic countries (mainly Denmark). Most residents believe in Christianity and Lutheranism. The capital, Nuuk, was formerly known as Saint Gotha. 1953, the Danish Constitution stipulates that Greenland is a state of Denmark. 1 979 may1formally implement internal autonomy. The Danish Parliament has two seats. The island is divided into three parts: East Greenland, West Greenland and North Greenland (lansdele).