European watershed area of the Rhine, which empties into the North Sea via the Netherlands, and the Danube, which flows eastward emptying into the Black Sea. It enters Austria at Piz Buin in the Silvretta Alps running along the Arlberg massif and forming the border between the states of Tyrol and Vorarlberg. It reaches Bavaria, Germany via the crest of the Allgäu Alps and leaves the High Alps at the Adelegg range near Kempten. Within the Alpine foothills it runs north of the Schussen catchment area of Lake Constance towards the sources of the Brigach and Breg headwaters of the Danube in
Burgenland region. After the dissolution of the manors in the mid-20th century this group ceased to exist. In addition to Germans, Croats and Hungarians, Burgenland used to have substantial Roma and Jewish populations, wiped out by the Nazi regime. Before their deportation during 1938, the traditionally very religious Burgenland Jews were concentrated in the famous "Seven Communities" (Siebengemeinden/Sheva kehillot) in Eisenstadt, Mattersburg, Kittsee, Frauenkirchen, Kobersdorf, Lackenbach and Deutschkreutz, where they formed a substantial part of the population: e.g. in Lackenbach, 62% of the population was Jewish as of 1869. After the war, Jews from Burgenland founded the Jerusalem haredi neighbourhood of