The official website of the Government of Ontario. Find information on programs and services.

Map of Ontario showing major cities, terrain, national parks, rivers, and surrounding countries with international borders and outline maps. Key facts about Ontario.

Ontario, second largest province of Canada in area, after Quebec. It occupies the strip of the Canadian mainland lying between Hudson and James bays to the north and the St. Lawrence River–Great Lakes chain to the south. The most populous Canadian province, it is home to more than one-third of Canada’s population.

Ontario is Canada 's second-largest province, and the most populous, with more than 14 million inhabitants. It is home to the Canadian capital city of Ottawa, and Toronto, which is Ontario's capital and Canada's largest city. The Peace Tower and Centre Block of the Canadian Parliament where Canada's elected representatives meet to debate and vote on laws. Located on Parliament Hill in central ...

Ontario has many sides to it — from the energetic urban life of Toronto and Ottawa, to the wilds of the Great Lakes and Northern Ontario. Here, you’ll discover an abundance of restaurants reflective of the region’s diverse cultures, captivating galleries and museums, and countless hiking trails that offer a respite from everyday life.