Kingston, Ontario, is a city in Canada located at the eastern end of Lake Ontario, where the lake runs into the St. Lawrence River and the Thousand Islands begin. Kingston is nicknamed the "Limestone City" because of the many historic buildings built from limestone.

The central part of the city is located between the Cataraqui River to the east and the Little Cataraqui Creek to the West, with outlying areas extending in both directions. Kingston is the county seat of Frontenac County. According to the 2001 Canadian census, the population of the city proper was 114,195, while the population of the metropolitan area as a whole was 146,838 in 2001.