Colleville-sur-Mer's a commune in the Calvados department in the Basse-Normandie region in northern France. The beach next to the coastal village was one of the principal beachheads during the Normandy landings on June 6 1944, designated Omaha beach. Monuments Normandy American Cemetery and Memorial's located in Colleville-sur-Mer.… (More on Colleville-sur-mer)