Arctic Archipelago Disagreement over the passages' status has raised Canadian concerns about environmental enforcement, national security, and general sovereignty. Hans Island, in the Nares Strait east of Ellesmere Island, is a territory currently contested between Canada and Denmark. The archipelago extends some longitudinally and from the mainland to Cape Columbia, the northernmost point on Ellesmere Island. It is bounded on the west by the Beaufort Sea; on the northwest by the Arctic Ocean; on the east by Greenland, Baffin Bay and Davis Strait; and on the south by Hudson Bay and the Canadian mainland. The various islands are separated from each other
Hillsborough Bay Hillsborough Bay Hillsborough Bay is a bay on the south shore of Prince Edward Island, Canada and is a sub-basin of the Northumberland Strait. Hillsborough Bay is the largest bay in terms of surface area in Prince Edward Island, followed by Malpeque Bay. Its southerly limits are Rice Point in the west and Point Prim in the east. It opens directly south and west onto the Northumberland Strait while its northern and eastern shores are formed by Prince Edward Island; the Point Prim peninsula also extends along its southeastern boundary. The bay is notable for the entrance to Charlottetown Harbour