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
Haro Strait Juan Islands dispute (Pig War) over the other main candidate, Rosario Strait, which lies on the east side of the San Juans. According to the USGS, Haro Strait's southern boundary with the Strait of Juan de Fuca is formed by a line between Discovery Island, just east of Victoria, to Cattle Point at the southern tip of San Juan Island. Haro Strait's northern boundary is defined by a line running from the north tip of the Saanich Peninsula through Piers Island, Portland Island, and Moresby Island, then from Point Fairfax on Moresby Island to Turn Point on Stuart Island, then