Terrebonne is an off-island suburb of Montreal, in southwestern Quebec, Canada. It is located in the North Shore region of the Montreal area, north of Laval across the Rivière des Mille-Îles. This city is divided in three sectors, namely Lachenaie, La Plaine and Terrebonne. In the past, these sectors were distinct cities, but, on 22 August 2001, they merged under the name of Terrebonne.