 It is geographically within the Le Domaine-du-Roy Regional County Municipality but administratively not part of it.Previously officially known as Ouiatchouan Reserve, it was renamed Mashteuiatsh in 1985, from "Ka Mesta8iats", meaning "where there is a point" or "seeing one yet again at the point".Mashteuiatsh is serviced by a health centre, community radio station, arena, library, community and sports centre, social services centre, municipal water and sewer system, fire station, and an aboriginal police force.