Cîteaux Abbey (French: Abbaye de Cîteaux) is a Roman Catholic abbey located in Saint-Nicolas-lès-Cîteaux, south of Dijon, France. Today it belongs to the Trappists, or Cistercians of the Strict Observance (OCSO). The Cistercian order takes its name from this mother house of Cîteaux, earlier Cisteaux, near Nuits-Saint-Georges. The abbey has about 35 members.