Ottawa (/ˈɒtəwə/ (listen), /ˈɒtəwɑː/; Canadian French: [ɔtawɑ]) is the capital city of Canada. It is located at the confluence of the Ottawa River and the Rideau River in the southern portion of the province of Ontario. Ottawa borders Gatineau, Quebec, and forms the core of the Ottawa–Gatineau census metropolitan area (CMA) and the National Capital Region (NCR).[14] As of 2021, Ottawa had a city population of 1,017,449 and a metropolitan population of 1,488,307, making it the fourth-largest city and fourth-largest metropolitan area in Canada.

City of Ottawa
Ville d'Ottawa (French)
"Advance-Ottawa-En Avant"
Written in the two official languages.[4]
Location within Ontario
Location within Canada
Coordinates: 45°25′29″N 75°41′42″W
Country Canada
Established1826 as Bytown[5]
Incorporated1855 as City of Ottawa[5]
Amalgamated1 January 2001
  TypeSingle-tier municipality with a Mayor–council system
  MayorMark Sutcliffe
  City councilOttawa City Council
  Federal capital city2,790.30 km2 (1,077.34 sq mi)
520.82 km2 (201.09 sq mi)
6,767.41 km2 (2,612.91 sq mi)
70 m (230 ft)
  Federal capital city1,017,449 (4th)[9]
  Density365/km2 (950/sq mi)
1,068,821 [10]
  Urban density1,954/km2 (5,060/sq mi)
1,488,307 (4th)
  Metro density185/km2 (480/sq mi)
Time zoneUTC−05:00 (EST)
  Summer (DST)UTC−04:00 (EDT)
Postal code span
Area codes613, 343, 753
GDP (Ottawa–Gatineau CMA)CA$76.6 billion (2016)[13]
GDP per capita (Ottawa–Gatineau CMA)CA$57,849 (2016)

Ottawa is the political centre of Canada and headquarters to the federal government. The city houses numerous foreign embassies, key buildings, organizations, and institutions of Canada's government, including the Parliament of Canada, the Supreme Court, the residence of Canada's viceroy, and Office of the Prime Minister.[15]

Founded in 1826 as Bytown, and incorporated as Ottawa in 1855,[16] its original boundaries were expanded through numerous annexations and were ultimately replaced by a new city incorporation and amalgamation in 2001. The municipal government of Ottawa is established and governed by the City of Ottawa Act of the Government of Ontario, and has an elected city council across 24 wards and a mayor elected city-wide.

Ottawa has the most educated population among Canadian cities[17] and is home to a number of colleges and universities, research and cultural institutions, including the University of Ottawa, Carleton University, Algonquin College, the National Arts Centre, the National Gallery of Canada; and numerous national museums, monuments, and historic sites.[18] It is one of the most visited cities in Canada, with over 11 million visitors in 2018.[19][20]

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