Answer:Arctic Region (Northern Hemisphere):Canada - Includes parts of the Canadian Arctic Archipelago and northern mainland.Denmark - Greenland, an autonomous territory of Denmark, is in the Arctic.Norway - Includes the Svalbard archipelago and parts of mainland Norway within the Arctic Circle.Russia - Includes vast Arctic territories and islands like Novaya Zemlya and the Chukchi Peninsula.United States - Alaska is situated in the Arctic region.Antarctic Region (Southern Hemisphere):Argentina - Claims territory in Antarctica as part of its Antarctic claim.Australia - The Australian Antarctic Territory is part of its claim in Antarctica.Chile - Claims part of Antarctica as part of its Antarctic claim.France - The French Southern and Antarctic Lands include part of Antarctica.United Kingdom - The British Antarctic Territory is part of the UK’s Antarctic claim.