Ontario is a province of Canada. It is in the eastern half of Canada, between Manitoba and Quebec. Ontario has the most people of any province, with 13,150,000 in 2009, and is home to the biggest city in Canada, Toronto, which is also the capital of the province. In the eastern part of the province, placed on the border with Quebec, is Ottawa, the capital of Canada, located on the Ottawa River.
Ontario also has the second largest land area, with 1,076,395 km²; only Quebec is larger by size. (Nunavut and Northwest Territories are also larger, but are called territories and not provinces). The province has one of the longest borders with the United States and there are several border crossings including the one at Niagara Falls. Along this border are 4 large lakes called Lake Ontario, Lake Erie, Lake Huron, and Lake Superior. They each are partly in Ontario and partly in the United States, and the border runs through them, but not Lake Michigan, which is entirely in the United States. These five lakes are together are called the Great Lakes.
There are a number of symbols that represent the province of Ontario. The flag is red with the British Union Jack in the top left corner and the provincial shield is on the right hand side of the flag. The provincial bird is the loon, and the provincial flower is the trillium. It has three flower petals and it is usually white but some times is pink or purple.