46 articles
Petrolia, Ontario
Petrolia is a town of about 6,000 in Lambton County, southwestern Ontario, incorporated in 1866 on one of North America's first commercial oil fields and Canada's top oil-producing center until 1894.
Pickering, Ontario
Pickering, Ontario: a city of about 114,000 on the western edge of Durham Region, bordering Toronto and Lake Ontario, home to the Pickering Nuclear Generating Station, historic hamlets, and a doubling population projected by 2031.
Quinte West
Quinte West is a city of almost 50,000 in southeastern Ontario, formed in 1998 by amalgamating Trenton, Frankford, Sidney and Murray Townships; home to CFB Trenton and the Trent-Severn Waterway's gateway.
Richmond Hill, Ontario
Richmond Hill is a city in York Region, Ontario, north of Toronto on Yonge Street. Incorporated as a village in 1873, renamed a city in 2019, population over 200,000 since 2014, growing around the Richmond Hill Centre transit hub and the Yonge North Subway Extension.
Sarnia
Sarnia is a city of about 72,000 in Southwestern Ontario, Canada, at the mouth of the St. Clair River on Lake Huron, opposite Port Huron, Michigan.
Sault Ste. Marie, Ontario
Sault Ste. Marie, Ontario: Canadian city on the St. Marys River across from Sault Ste. Marie, Michigan; incorporated 1912, population 72,051 (2021), third-largest Northern Ontario city, anchored by Algoma Steel.
Sioux Lookout
Sioux Lookout, Ontario, the Hub of the North: a municipality of about 5,600 in northwestern Ontario serving 29-31 remote First Nation communities, incorporated 1912 as a railway divisional point, with a major regional airport and the Meno Ya Win Health Centre.
St. Catharines
St. Catharines, nicknamed the Garden City, is the largest city in Ontario's Niagara Region on Lake Ontario, an industrial city built around the Welland Canal and Harriet Tubman's 1850s home base.
Stratford, Ontario
Stratford, Ontario, a city of 33,232 on the Avon River and Perth County's separated seat, grew from a Grand Trunk Railway repair-shop junction into the home of the Stratford Festival, Canada's classical theatre, with manufacturing and arts-led diversification.
Thunder Bay
Thunder Bay is a city in Northwestern Ontario, Canada, formed January 1, 1970 by amalgamating Fort William, Port Arthur, Neebing, and McIntyre. A Lake Superior port city of about 123,000, it ships Western Canadian grain and anchors the region's economy.
Timmins
Timmins is a city in northeastern Ontario on the Mattagami River, incorporated in 1912 and named for Noah Timmins, developer of the Hollinger gold mine; population 41,145 in 2021.
Toronto
Toronto, Ontario's capital and Canada's largest city (3.0 million city, 7.1 million metro), on Lake Ontario; founded as York in 1793, incorporated 1834, amalgamated 1998; major finance, tourism and transit hub.
Vaughan
Vaughan is a city in the Regional Municipality of York, Ontario, just north of Toronto, one of Canada's fastest-growing cities, which attained city status in 1991 and had a 2021 Census population of 323,103.
Wasaga Beach
Wasaga Beach is a town in Simcoe County, Ontario, on Georgian Bay, home to the world's longest freshwater beach (14 km), Wasaga Beach Provincial Park, over 24,000 residents, and the Destination Wasaga beachfront redevelopment.
Waterloo, Ontario
Waterloo, Ontario: city in the Regional Municipality of Waterloo, Canada, home of the University of Waterloo (founded 1957) and a dense tech economy; village 1857, town 1876, city 1948; population about 154,900 in 2025.
Windsor, Ontario
Windsor, Ontario: Canada's southernmost city, on the Detroit River across from Detroit; automotive capital since 1904, busiest Canada-US commercial border crossing, Gordie Howe bridge opened 2026, population 229,660.