Toronto is the most populous city in Canada and the capital city of the Canadian province of Ontario.With a population of 2,794,356 in 2021, [10] it is the fourth-most populous city in North America.The city is the anchor of the Golden Horseshoe, an urban agglomeration of 9,765,188 people (as of 2021) surrounding the western end of Lake Ontario, [11] while the Greater Toronto Area proper had a ...