Cartier-Brébeuf National Historic Site is a National Historic Site of Canada and so designated by the Historic Sites and Monuments board of Canada in 1958 under the recommendation of John Diefenbaker, the Prime Minister of Canada at the time. It is administered by Parks Canada and located at the confluence of Saint-Charles and Lairet rivers, in Quebec City, Quebec, Canada, more precisely in La Cité-Limoilou borough.