46 articles
Ajax
Ajax, Ontario: a Durham Region town of 126,666 (2021) in the Greater Toronto Area, founded in 1941 around a Defence Industries Limited shell-filling plant and named for HMS Ajax of the Battle of the River Plate.
Barrie
Barrie is a city on Kempenfelt Bay, Lake Simcoe, Ontario, named for Sir Robert Barrie; 147,829 residents in 2021 (CMA 212,856), incorporated 1854, growing toward a 298,000-person 2051 forecast with a 2025 annexation of 1,673 hectares.
Belleville, Ontario
Belleville, Ontario: city of 55,071 (2021) at the mouth of the Moira River on the Bay of Quinte, renamed from Meyers' Creek in 1816, amalgamated with Thurlow Township in 1998, and an early adopter of on-demand transit.
Blind River, Ontario
Blind River, Ontario: a town in Algoma District on the North Channel of Lake Huron, halfway between Sudbury and Sault Ste. Marie. Former logging town, incorporated 1906, home to Cameco's uranium refinery.
Bowmanville
Bowmanville, Ontario: community in Clarington, Durham Region, on Lake Ontario. Known for the Darlington nuclear site and BWRX-300 SMR project, the Bowmanville GO Extension, and the Bowmanville Hospital redevelopment.
Brampton
Brampton is a city in the Regional Municipality of Peel, Ontario, Canada, northwest of Toronto; Canada's 7th largest city, it grew to 791,486 people in 2024.
Brantford
Brantford, Ontario, "The Telephone City," a Grand River city of 104,690 (2021) where Alexander Graham Bell conceived the telephone in 1874 and made the first long-distance call in 1876.
Burlington, Ontario
Burlington, Ontario: a city in Halton Region on Lake Ontario's western shore, about 70 km west of Toronto; population 186,948 (2021 census), a city since 1974, founded from Joseph Brant's 1784 land grant.
Cambridge, Ontario
Cambridge, Ontario: a city in Waterloo Region formed January 1, 1973 by amalgamating Galt, Preston, Hespeler, and Blair; population 138,479 (2021), second largest in the region, with advanced manufacturing near 20% of its workforce.
Cornwall, Ontario
Cornwall, Ontario: Eastern Ontario city on the St. Lawrence River bordering Akwesasne; founded 1784 by Loyalists, city since 1945; estimated 54,346 residents in 2025 with a diversified manufacturing, logistics, and retail economy.
Grand Bend
Grand Bend, Ontario: Lake Huron beach resort in Lambton Shores, Lambton County, named for a 180-degree bend of the Ausable River; Blue Flag beach, 1892 river Cut harbour, summer population 30,000-40,000.
Greater Sudbury
Greater Sudbury (Grand Sudbury) is a 3,186 km² single-tier city in Northeastern Ontario, Canada's second-largest municipality by area, formed by 2001 amalgamation, a world-class nickel-copper mining centre with 166,004 residents (2021) and a bilingual population.
Guelph
Guelph, Ontario, 'The Royal City': planned town founded April 23, 1827 by John Galt of the Canada Company, named for the royal Guelph lineage; 2021 population 143,740, projected 208,000 by 2051.
Hamilton, Ontario
Hamilton, Ontario: Canadian port city at the west end of Lake Ontario, fifth-largest Ontario municipality (569,353 in 2021), historic steel center (Stelco, Dofasco), CMA of 785,184, planning 236,000 new residents and a 14-km LRT by mid-century.
Kingston, Ontario
Kingston, Ontario: southeastern Canadian city at the mouth of the Cataraqui River on Lake Ontario, Canada's first capital 1841-1844, home of Queen's University and the UNESCO Rideau Canal fortifications, population 132,485 (2021).
Kitchener, Ontario
Kitchener, Ontario: largest city of Waterloo Region, founded as Berlin by German-speaking settlers, renamed Kitchener on September 1, 1916; 256,885 residents in 2021, ION light rail, and the Kitchener 2051 official plan.
Lakeshore, Ontario
Lakeshore, Ontario: a town in Essex County on Lake St. Clair, formed in 1999 from Belle River and four townships; 40,410 people in 2021, Essex County's largest municipality.
London, Ontario
London, Ontario: Canadian city at the Thames River forks, population over 530,000, 11th largest in Canada. Founded 1826, incorporated 1855; economy spans health care, manufacturing, education, and a $616 million tourism sector.
Markham, Ontario
Markham, Ontario: a city in York Region northeast of Toronto, founded 1794 by Berczy settlers, population 338,503 (2021), Canada's densest technology hub with 1,500+ tech companies.
Milton, Ontario
Milton, Ontario: town in Halton Region, Canada; founded 1821-22 by Jasper Martin, incorporated 1857; 2021 population 132,979, projected 400,400 by 2051; new Official Plan adopted 2026.
Mississauga
Mississauga is a city in the Region of Peel, Ontario, west of Toronto; incorporated 1974, Canada's sixth largest city, home to Pearson airport, 501,500 jobs, and the Official Plan 2051 growth framework.
Newmarket, Ontario
Newmarket, Ontario: a York Region town founded in 1801 by Quaker Timothy Rogers, incorporated 1858, town 1880; 2021 population 87,942, 38.5 km2, home of Southlake Health and Mulock Park. Distinct from Newmarket, England.
Niagara Falls, Ontario
Niagara Falls, Ontario is a city of 94,415 beside the Niagara Falls waterfalls, known as the Honeymoon Capital of the World and drawing about 14 million visitors a year.
Niagara-on-the-Lake
Niagara-on-the-Lake, Ontario town at the mouth of the Niagara River, formerly Newark and Niagara; first capital of Upper Canada 1792-1796, national historic site with 1815-1859 buildings, Shaw Festival, and wine country.
North Bay, Ontario
North Bay, Ontario: a city of about 62,000 on Lake Nipissing, 345 km north of Toronto. Founded as a CPR railway camp in 1882, incorporated 1925; NORAD base, Nipissing University, Gateway to the North.
North York
North York, a district of Toronto and former municipality (Township 1922, borough 1967, city 1979, amalgamated 1998), known for North York Centre on Yonge Street, Mel Lastman, and Don Mills.
Oakville, Ontario
Oakville, Ontario: lakeside town in Halton Region, Greater Toronto Area; 213,759 residents (2021 Census), founded 1827 by William Chisholm, incorporated 1857, amalgamated with Trafalgar Township 1962.
Oshawa
Oshawa, Ontario, is a city on Lake Ontario in Durham Region about 60 kilometers east of Toronto, historically known as Canada's Motor City for its General Motors automobile industry.
Ottawa
Ottawa, Canada's capital in eastern Ontario, grew from Bytown, founded with the Rideau Canal in 1826, and was chosen as capital by Queen Victoria in 1857. It hosts the federal government, over 1,900 tech firms, and ranked first in North America in Numbeo's 2026 quality of life index.
Peterborough, Ontario
Peterborough is a city in south-central Ontario, Canada, on the Otonabee River along the Trent-Severn Waterway, 140 km northeast of Toronto, known for the Peterborough Lift Lock and Trent University.