I don't really have a clue
Denmark isn't an island, Greenland is. True, Greenland belongs to Denmark, but there is a big difference between the country Denmark and the island Greenland. Danish isn't the same as Kalaallisut (Greenlandic.) Greenland is the largest island in the world, not the third largest.
Denmark is a country in Scandinavia and Greeceland, I'm afraid, is not a place in this world. If however you mean Greenland, then it is the largest island in the world located in the Atlantic Ocean and it belongs to the Kingdom of Denmark, though Greenland is an autonomous country.
The Denmark Strait runs between Greenland and Iceland.
Greenland is in the northern hemisphere. It is located in the arctic circle and is among one of the northernmost land masses.
Greenland is part of the Kingdom of Denmark.
Greenland is an autonomous country in the Kingdom of Denmark, meaning it has its own government but it is still a part of Denmark.
The Kingdom of Denmark owns Greenland. Greenland is an autonomous country within the Kingdom of Denmark. Greenland has its own home rule and self-governance, but its defense, foreign affair and finance are still the responsibility of the Danish government.
Greenland is part of Denmark.
The Denmark Strait separates Iceland and Greenland.
Greenland is part of Denmark, and Denmark is part of the European Union.
Greenland belongs to Denmark
Greenland is owned by Denmark