Omaha, commonly known as Omaha Beach, was the code name for one of the five sectors of the Allied invasion of German-occupied France in the Normandy landings on June 6, 1944, during World War II. "Omaha" refers to a section of the coast of Normandy, France, facing the English Channel 8 kilometers (5 mi) long, from east of Sainte-Honorine-des-Pertes to west of Vierville-sur-Mer on the right bank of the Douve River estuary and an estimated 150-foot (45 m) tall cliffs.