Geography of Canada Canada's territory as sparsely populated wilderness; Canada's population density is 3.5 people/km (9.1/mi), among the lowest in the world. Despite this, 79.7 percent of Canada's population resides in urban areas, where population densities are increasing. Canada shares with the U.S. the world's longest undefended border at ; are with Alaska. The Danish island dependency of Greenland lies to Canada's northeast, separated from the Canadian Arctic islands by Baffin Bay and Davis Strait. The French islands of Saint-Pierre and Miquelon lie off the southern coast of Newfoundland in the Gulf of St. Lawrence and have a maritime territorial enclave within Canada's
Hudson Strait Hudson Strait Hudson Strait links the Atlantic Ocean and Labrador Sea to Hudson Bay in Canada. This strait lies between Baffin Island and Nunavik, with its eastern entrance marked by Cape Chidley in Quebec and Resolution Island off Baffin Island. The strait is about 750 km long with an average width of 125 km, varying from 70 km at the eastern entrance to 240 km at Deception Bay. English navigator Sir Martin Frobisher was the first European to report entering the strait, in 1578. He named a tidal rip at the entrance the Furious Overfall and called the strait Mistaken