The Golden Horseshoe is a secondary region of Southern Ontario, Canada which lies at the western end of Lake Ontario, with outer boundaries stretching south to Lake Erie and north to Lake Scugog. It includes the Greater Toronto Area. The region is the most densely populated and industrialized in Canada. With a population of 7,826,367 people in its core and 9,245,438 in its greater area, the Golden Horseshoe accounts for over 21 per cent of the population of Canada and more than 55 per cent of Ontario's population. It is part of the Quebec City–Windsor Corridor and the Great Lakes Megalopolis.