At a Glance
Toronto skyline
An aerial view of Toronto's skyline with the CN Tower at center.
Toronto
Ontario, Canada
Toronto, city, capital of the province of Ontario, southeastern Canada. It is the most populous city in Canada, a multicultural city, and the country’s financial and commercial center. Its location on the northwestern shore of Lake Ontario, which forms part of the border between Canada and the United States, and its access to Atlantic shipping via the St. Lawrence Seaway and to major U.S. industrial centers via the Great Lakes have enabled Toronto to become...