A farming village situated by the banks of the river Yères in the Pays de Caux, at the junction of the D16 and the D113 roads, some 11 miles (18 km) east of Dieppe.
Heraldry
The arms of Saint-Martin-le-Gaillard are blazoned : Azure, on a cross argent between in bend 2 trefoils and in bend sinister 2 eagles Or, a lion gules.