The canton of Évreux-Ouest includes a part of Évreux and the communes of: Arnières-sur-Iton, Aulnay-sur-Iton, Caugé, Claville and Saint-Sébastien-de-Morsent (pop: 18,123)
Breteuil, Eure, in the Eure département ; alternavive name : Breteuil-sur-Iton
A baroque castle, Château du Champ-de-Bataille lies between the communes of Neubourg and Sainte-Opportune-du-Bosc, and in the Campagne du Neubourg, between the river Risle to the west and the river Iton to the east.