Gatineau (, ), officially Ville de Gatineau, is a city in western Quebec, Canada. It is the fourth largest city in the province after Montreal, Quebec City, and Laval. It is located on the northern bank of the Ottawa River, immediately across from Ottawa, together with which it forms Canada's National Capital Region. As of 2011 Gatineau had a population of 265,349, and a metropolitan population of 314,501. The Ottawa–Gatineau census metropolitan area had a population of 1,236,324.