The National Gallery of Canada, located in the capital city of Ottawa, Ontario, is Canada's national art museum. The museum's building takes up 46,621 square metres (501,820 sq ft), with 12,400 square metres (133,000 sq ft) of space used for exhibiting art. It is one of the largest art museums in North America by exhibition space.

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.