The province of Ontario is located in the central part of Canada. Ontario is Canada's largest of the provinces by population with over 12 million people and second largest in area after Quebec.

Ontario is bordered by the provinces of Manitoba to the west, Quebec to the east, and the American states of Michigan, New York, and Minnesota and it is the only Canadian Province that borders the Great Lakes.

The capital of Ontario is Toronto, which is the largest city in Canada. Toronto is considered a very important centre of Canada's financial services and banking industry. The Greater Toronto Area (abbreviated as the GTA) one of the largest metropolitan areas in North America and includes the City of Toronto and four regional municipalities (Regional Municipalities of Durham, Halton, Peel and York).

Greater Toronto Area includes cities such as Brampton, Mississauga and Vaughan which are large product distribution centres and have large manufacturing industries. The information technology sector in Ontario consists of cities such as Markham, Waterloo and Ottawa, which is the capital of Canada. Hamilton is the largest steel manufacturing city in Canada. Sarnia is known as the centre for petrochemical production. Windsor, Rama, and Niagara Falls are important tourism cities with large casinos which attract also a very large number of American visitors.

Highway 401 is the primary highway along the southern route in Ontario, and it also the busiest highway in North America. This highway is considered the backbone of Ontario's road traffic network, economy and tourism.

Ontario has a number of important airports including Lester B. Pearson International Airport, Ottawa International Airport and Hamilton's John C. Munro International Airport. Lester B. Pearson International Airport is the Canada's busiest airport servicing over 30 million passengers annually.