Saint-Vaast-Dieppedalle is a commune in the Seine-Maritime department in the Normandy region in northern France. Geography A small farming village in the Pays de Caux, situated some northeast of Le Havre, at the junction of the D53, D420 and D250 roads. Population Places of interest The sixteenth century church of St.Vaast. The stone cross, dating from the sixteenth century. See also Communes of the Seine-Maritime department References Communes of Seine-Maritime