Cornwall is a city in Eastern Ontario, Canada and the seat of the United Counties of Stormont, Dundas and Glengarry, Ontario. Cornwall is Ontario's easternmost city, located on the St. Lawrence River, in the Quebec City-Windsor Corridor and on Ontario Highway 401, and is the urban centre for surrounding communities, which include Long Sault and Ingleside to the west, Mohawk Territory of Akwesasne to the south, St. Andrew's and Avonmore to the north, and Glen Walter, Martintown, Williamstown, and Lancaster to the east.
Cornwall is located along the 45th parallel, approximately 100 kilometres (62A mi) southeast of Ottawa, the national capital, 120 kilometres (75A mi) southwest of Montreal, Quebec's largest city, and 400 kilometres (250A mi) northeast of Toronto, the provincial capital. It is named after the English county of Cornwall, which is represented in the city's flag and coat of armsboth of which boast the duchy standard. Aboriginal peoples have lived in and around the area of present day Cornwall for millennia.
The city of Cornwall hosts festivals and special community events including; Canada Day festivities, and "Lift Off" hot air balloon festival. Cornwall is named after the county of Cornwall in the United Kingdom. Its flag also bears the insignia and colours of the flag of the Duchy of Cornwall.
The mayor of Cornwall is Bob Kilger. Cornwall is situated within the electoral district of Stormont—Dundas—South Glengarry, which is represented provincially by MPP Jim McDonell (Progressive Conservative Party of Ontario), and federally by MP Guy Lauzon (Conservative). John Sandfield Macdonald, the first Premier of Ontario, was from Cornwall, and is buried in St. Andrews West at the Catholic Church cemetery.