Denmark Strait Denmark Strait The Denmark Strait () or Greenland Strait (, 'Greenland Sound') is an oceanic strait between Greenland (to its northwest) and Iceland (to its southeast). The Norwegian island of Jan Mayen lies northeast of the strait. The strait connects the Greenland Sea, an extension of the Arctic Ocean, to the Irminger Sea, a part of the Atlantic Ocean. It stretches long and wide at its narrowest, between Straumnes, the northwestern headland of the Westfjords peninsula of Hornstrandir, and Cape Tupinier on "Blosseville Coast" in East Greenland). The official International Hydrographic Organization (IHO) delineation between the Arctic and the North
Makassar Strait Makassar Strait as being one of the waters of the East Indian Archipelago. The IHO defines its limits as follows: The channel between the East coast of Borneo and the West coast of Celebes <nowiki>[</nowiki>Sulawesi<nowiki>]</nowiki>, is bounded: "On the North." By a line joining Tanjong Mangkalihat, Borneo () and Stroomen Kaap (Cape Rivers), Celebes (). "On the South." By a line from the Southwestern extreme of Celebes (), through the Southern point of Tana Keke, to the Southern extreme of Laoet () thence up the West coast of that island to Tanjong Kiwi and thence across to Tanjong Petang, Borneo