Downtown Toronto is the main central business district of Toronto, Ontario, Canada. Located entirely within the district of Old Toronto, it is approximately 17 square kilometres in area, bounded by Bloor Street to the northeast and Dupont Street to the northwest, Lake Ontario to the south, the Don Valley to the east, and Bathurst Street to the west. It is also the location of the municipal government of Toronto and the Government of Ontario.
The area is made up of Canada's largest concentration of skyscrapers and businesses that form Toronto's skyline. Downtown Toronto has the third most skyscrapers in North America exceeding 200 metres (656 ft) in height, behind Manhattan, New York City and the Chicago Loop.