Water on the northern borders we share and over which we are regularly in contact, as in the the Arctic Council.  Other nations = "Denmark, Finland, Iceland, Norway, Russia, Sweden, and the United States as these are the eight countries with sovereignty over the lands within the Arctic Circle. Outside of these there are some observer states."

As openwater2010 notes, Denmark has made claims.

But you don't know that, do you, Lamont Cranston.

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