Westboro is an area in the west end of Ottawa, Ontario, Canada. Located along the Ottawa River, Island Park Drive defines Westboro's eastern border, while the Ottawa River defines its northern border. Under this definition, the population of the area is 22,725.

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.