The following is a list of German which existed during the Middle Ages. It lists the names of the Frankish or German , many of which are still used today regionally, primarily in local traditions. Their locations are often no longer widely known, but are known from publications. Duchy of Bavaria Ammergau: along the upper Amper in Upper Bavaria, bounded in the south by the Ammergau Alps; sub-gau of Sundergau : along the Ager in Upper Austria, around the Attersee (lake) Chiemgau: between the middle Inn and the Traun in Upper Bavaria, around the Chiemsee Donaugau: along the upper Danube in Lower Bavaria and Upper Palatinate, around Straubing; modern Gäuboden and eastern Hallertau Huosigau: between the upper Isar and the Amper in Upper Bavaria, around Lake Starnberg; lands of the Huosi family; sub-gau of Sundergau Inntal: the middle Inn valley in Tyrol, divided into the and Lower Inn Valley : between the lower Isar and the lower Inn in Lower Bavaria, around Vilsbiburg Künziggau: along the lower Vils in Lower Bavaria, east of Vilshofen Lungau: the upper Mur river valley in Salzburg, around Tamsweg Mattiggau: along the in Upper Austria, around Mattighofen; the eastern two thirds of the Innviertel : the Eisack river valley and the upper half of the Etschtal in South Tyrol, around Bolzano and Brixen Pinzgau: the upper Salzach and upper Saalach river valleys in Salzburg, around Zell am See Pongau: a portion of the upper Salzach and the upper Enns river valleys in Salzburg, around St. Johann im Pongau : the Rienz and upper Drava river valleys in South Tyrol, bounded by the Dolomites in the south, the Zillertal Alps in the north, and the Villgraten Mountains in the east Rotagau: along the lower Inn and the lower Rott in Lower Bavaria and Upper Austria, south of Passau : along the middle Salzach in Salzburg, around Salzburg (city) Schweinachgau: between the upper Danube and the Bohemian Forest in Lower Bavaria, the eastern portion of the Bavarian Forest : along the upper Isar in Upper Bavaria, around Munich; some sources show Sundergau extending to the south and east of the Inn to include the Inntal and Chiemgau : along the Traun in Upper Austria, between the hills and the Enns Viehbachgau: between the lower Isar and the Vils in Lower Bavaria, around Dingolfing Vinschgau: the upper Adige river valley in South Tyrol, west of Merano Walchengau: along