A farming village situated in the Pays de Caux, some 19 miles (31 km) northeast of Le Havre, at the junction of the D75 and D10 roads. The SNCF railways have a station here.
Heraldry
The arms of Grainville-Ymauville are blazoned : Azure, a chevron argent and in base 6 stalks of wheat arranged as a fan Or, and on a chief argent, 3 roses gules slipped and leaved vert.