What was the Western Front in WWI?
The Western Front in World War I was the part of the war that was fought in Western Europe. This is as opposed to the other fronts of the war, which were fought in places like Russia or at Gallipolli in Turkey.
The battles of the Western Front were fought mainly in Belgium and in France. This was the part of the war in which the infamous trench warfare was most prevalent. The battle lines on the Western Front stayed in essentially one place for most of the war while hundreds of thousands of people died trying to make those lines move.