The Rideau Centre is a three-level shopping centre on Rideau Street in Ottawa, Ontario, Canada. It borders on Rideau Street, the ByWard Market, the Rideau Canal, the Mackenzie King Bridge, and Nicholas Street in Downtown Ottawa. Over 20 million people visit the mall annually. It is the largest shopping mall and the main transit hub in the National Capital Region and the sixth largest mall, by area, in Canada. The Rideau Centre complex has approximately 180 retailers and is connected to a rooftop park, a Westin Hotel, the Shaw Centre, the Freiman Mall and the Major-General George R Pearkes Building.

Ottawa is the capital city of Canada. It is located in the southern portion of the province of Ontario, at the confluence of the Ottawa River and the Rideau River. Ottawa borders Gatineau, Quebec, and forms the core of the Ottawa–Gatineau census metropolitan area (CMA) and the National Capital Region (NCR). 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.