Mount Royal is an affluent on-island suburban town located on the northwest side of the eponymous Mount Royal, northwest of Downtown Montreal, on the Island of Montreal in southwestern Quebec, Canada. It is completely surrounded by the city of Montreal. The population was 20,953 as of the 2021 Canadian census. In 2008, most of the Town of Mount Royal was designated a National Historic Site of Canada, as a "[remarkable] synthesis of urban renewal movements of the early 20th century, reflecting the influence of the City Beautiful, Garden City and Garden Suburb movements". The town celebrated its 100th anniversary in 2012.

Greater Montreal is the most populous metropolitan area in Quebec and the second most populous in Canada after Greater Toronto. In 2015, Statistics Canada identified Montreal's Census Metropolitan Area (CMA) as 4,258.31 square kilometres (1,644.14 sq mi) with a population of 4,027,100, almost half that of the province.