Toronto (colloquially or ) is the most populous city in Canada and the provincial capital of Ontario. It is located in Southern Ontario on the northwestern shore of Lake Ontario. With over 2.5 million residents, it's the fifth most populous municipality in North America. Toronto is at the heart of the Greater Toronto Area (GTA), and is part of a densely populated region in Southern Ontario known as the Golden Horseshoe, which is home to 8.1 million residents and has approximately 25% of Canada'… (More on Toronto)