The Allgäu (pron) is a southern German region in Swabia. It covers the south of Bavarian Swabia and southeastern Baden-Württemberg. The region stretches from the prealpine lands up to the Alps. The main rivers flowing through the Allgäu are the Lech and Iller. Allgäu is not an administrative unit. It is sub-divided into the following regions: ...