Ottawa is the capital city of Canada, situated in the southeastern portion of the province of Ontario. It is geographically positioned at the confluence of the Ottawa River and the Rideau River, bordering the city of Gatineau in Quebec.
The city serves as the core of the National Capital Region (NCR) and the Ottawa–Gatineau census metropolitan area (CMA). As of 2021, Ottawa had a city population of 1,017,449 and a metropolitan population of 1,488,307, ranking it as the fourth-largest city and fourth-largest metropolitan area in Canada.