A set of buildings used by monks or nuns. Only CisterciansMembers of a religious order founded by Robert of Molesme in the Burgundian village of Citeaux in 1168 to adhere more strictly to the monastic rule of Benedict. In the 17^th century, an even stricter observance of the Benedictine monastic rule developed within the Cistercians at the Abbey of Notre Dame de la Grande Trappe. Cistercians who follow this rule are commonly called Trappists. Pieter Pot’s Abbey in Antwerp and Saint Bernard’s Abbey in Hemiksem were Cistercian abbeys., Benedictines, Norbertines and Trappists have abbeys. An abbey strives to be self-sufficient.