Terrebonne is an off-island suburb of Montreal, in western Quebec, Canada. It is located on the north shores of the Riviere des Mille-Îles and of the Riviere des Prairies, North of Montreal and Laval. 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. According to the 2011 Canadian Census Terrebonne has a population of 106,322, making it Montreal's fourth largest suburb.