Ottawa is the capital city of Canada. The city is located on the south bank of the Ottawa River in the eastern portion of southern Ontario. Ottawa borders Gatineau, Quebec, and forms the core of the Ottawa–Gatineau census metropolitan area and the National Capital Region. As of 2016, Ottawa had a city population of 934,243, making it the fourth-largest city, and a metropolitan population of 1,476,008 and the fifth-largest CMA in Canada.