Ottawa, the nation's capital, is also in Ontario.
Other cities include /London?, /Waterloo?, [Thunder Bay]?, Sudbury?, and /Windsor?.
Ontaria province has shores on Lake Superior, [Lake Huron]? (including [Georgian bay]?), also Lake Ontario and Lake Erie.
[Niagara Falls]? is on the border between Ontario and New York, near Buffalo, New York.
See also: Canada, Canadian provinces and territories, Canadian cities