Saint-Martin-du-Manoir () is a commune in the Seine-Maritime department in the Normandy region in northern France.
Geography A farming village in the Pays de Caux, situated some northeast of Le Havre, at the junction of the D34 and D111 roads, by the banks of the Saint-Laurent river.
Heraldry
Population
Places of interest The church of St. Martin, dating from the thirteenth century. The ruins of a sixteenth-century chateau.
See also Communes of the Seine-Maritime department
References