The Arctic Ocean and North Pole.
The Labrador Sea lies between Canada and Greenland.
Greenland is in the North Atlantic Ocean.
The Arctic Ocean is North of Greenland.
Technically, no continent is north of Greenland as it is the northernmost piece of land on the planet. However, if you went from the northernmost part of Greenland and went north (passing the North Pole and ignoring that you are actually now going south), you'd reach Asia.
Iceland lies southeast of Greenland. It is situated in the North Atlantic Ocean, separated from Greenland by the Denmark Strait. The proximity of these two countries contributes to their shared Norse history and cultural connections.
The Atlantic Ocean.
Greenland is located in the North Atlantic ocean.
Greenland has coastlines on both the North Atlantic and Arctic oceans.
The Atlantic Ocean is south of Greenland. To the south east of Greenland is Iceland. Directly to the east is a Norwegian Island.
The Artic Ocean lies north of Canada
Greenland is located in the North Atlantic Ocean. It is an autonomous territory within the Kingdom of Denmark.