Belleville-sur-Mer is a former commune in the Seine-Maritime department in the Normandy region in northern France. On 1 January 2016, it was merged into the new commune of Petit-Caux. Geography A farming village in the Pays de Caux, situated on the coast of the English Channel, some northeast of Dieppe, at the junction of the D113 and D113e roads. Heraldry Population Places of interest The church of Notre-Dame, dating from the thirteenth century. See also Communes of the Seine-Maritime department References Former communes of Seine-Maritime