Ontario is the economic engine of Canada. It contains Canada's largest cities. However most of the popultion lives in South Ontario (approx. 11.6 million) and lesser to the north (approx. 400,000). But North Ontaio has its cities (Sudbury, Thunder Bay, North bay). South Ontario however is one of the most densist places in North America. With major cities like: Toronto (nation's biggest city and provincial capital), Hamilton (The most populous Hamilton), Ottawa (nation's capital), Kingston, London (For defenition of this city check London, Ontario), Windsor and Kitchner.
Ontario is highly sterotyped by the rest of Canada. But what they don't relise if it wasn't for us, there wouldn't be a Canada.
Ontario is also called an election backbone becuase it accounts for more than 30% of the votes in an Canadian Election.