Ontario is the southernmost province of Canada, situated in Central Canada. It is the country's most populous province, housing over 14 million people as of the 2021 Canadian census, which accounts for 38.5% of the national population.
The province ranks as the second-largest by total area and is the fourth-largest jurisdiction among all Canadian provinces and territories. Ontario is home to the nation's capital, Ottawa, as well as Toronto, which serves as both the most populous city in the country and the provincial capital.