The Château du Champ-de-Bataille, is a castle which in the Eure department of the French region of Upper Normandy. 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.