where was the western front
World War I. The Western Front. The main theatre of fighting in World War I was the Western Front, a meandering line which ran from the Swiss border in the south to the North Sea. Most of the Western Frontâs 700 kilometre length traversed the north-east of France, with its ends in Belgium and southern Germany. The largest battles of the war â Marne, Ypres, Verdun, the Somme, Passchendaele and others â were fought along the Western Front.