Flanders Fields is the generic name of the World War I battlefields in the medieval County of Flanders. World War I (abbreviated WWI; also known as the First World War, the Great War, and the War to End All The County of Flanders was a historical region in the Low Countries. At the time of World War I, the county no longer existed but corresponded geographically to the Belgian Flemish Region and the French Nord-Pas-de-Calais region. The Flemish Region ( Dutch: Vlaams Gewest) is one of the three official regions of the Kingdom of Belgium alongside the Walloon Region Nord-Pas de Calais (French Nord-Pas de Calais; Dutch Noord-Nauw van Kales) is one of the 26 regions of France. The name is particularly associated with the battles of Ypres, Passchendaele, and the Somme. "Passchendaele" redirects here For the 2008 film by that name see Passchendaele (film The 1917 Battle of Passchendaele, also known as For much of the war, the front line ran continuously from south of Zeebrugge in Belgium, to the Swiss border with France. A front line is a line of confrontation in an Armed conflict, most commonly a War. John McCrae wrote a poem called Flanders fields which is about the soldiers dying in war.