Ontario is one of the ten provinces of Canada, located in central and eastern Canada. It is highlighted in red on the map, making it easy to identify its location. Ontario shares borders with Manitoba to the west and Quebec to the east, while the United States lies to its south. Toronto, the capital of Ontario, is Canada's largest city and a major economic centre. Ottawa, Canada's national capital, is also located in Ontario. The province is famous for its Great Lakes shoreline, forests, rivers, and beautiful landscapes. Ontario plays an important role in Canada's economy, tourism, and transportation.
| Fact | Details |
|---|---|
| Official Name | Ontario |
| State | Ontario (Province) |
| Country | Canada |
| Founded | July 1, 1867 (Confederation) |
| Incorporated | Upper Canada established in 1791 |
| Population | 16,258,260 (July 2025 estimate) |
| County | Not applicable; Ontario is a province |
| Area | Approximately 1,076,395 km² |
| Time Zone | Eastern Time and Central Time |
| ZIP Codes | Canadian postal codes; prefixes include K, L, M, N and P |
| Area Code | 204 is not Ontario; examples include 416, 437, 647, 519, 226, 905 and 289 |
| Known For | Toronto, Niagara Falls, the Great Lakes, forests and manufacturing |
| Major Airport | Toronto Pearson International Airport (YYZ) |
| Climate | Humid continental in much of the south; colder subarctic conditions in the north |
| Nickname | The Heartland Province (informal description) |
| Major Highways | Highway 401, Highway 400, Highway 11, Highway 17 and Highway 417 |
| Nearby Border | Not applicable at provincial level; neighboring provinces are Quebec and Manitoba |
| Major Attractions | Niagara Falls, CN Tower, Algonquin Provincial Park, Parliament Hill and the Royal Ontario Museum |