Arctic Ocean over the Arctic Ocean (see Polar route). The Arctic Ocean occupies a roughly circular basin and covers an area of about , almost the size of Antarctica. The coastline is long. It is surrounded by the land masses of Eurasia, North America, Greenland, and by several islands. It is generally taken to include Baffin Bay, Barents Sea, Beaufort Sea, Chukchi Sea, East Siberian Sea, Greenland Sea, Hudson Bay, Hudson Strait, Kara Sea, Laptev Sea, White Sea and other tributary bodies of water. It is connected to the Pacific Ocean by the Bering Strait and to the Atlantic Ocean through the
Seven Seas those seas, and if someone had sailed the Seven Seas it meant he had sailed to, and returned from, the other side of the world. Before modern reckoning, the term "Seven Seas" has been used to refer to seven of the largest bodies of water in the world: Seven Seas The "Seven Seas" (as in the idiom "sail the Seven Seas") is an ancient phrase for all of the world's oceans. Since the 19th century, the term has been taken to include seven oceanic bodies of water: The World Ocean is also collectively known as just "the sea". The International