Important sites include Nitra in Slovakia ; Bylany in the Czech Republic ; Langweiler and Zwenkau in Germany ; Brunn am Gebirge in Austria ; Elsloo , Sittard , Köln-Lindenthal , Aldenhoven , Flomborn , and Rixheim on the Rhine ; Lautereck and Hienheim on the upper Danube ; and Rössen and Sonderhausen on the middle Elbe .
Important sites include Nitra in Slovakia ; Bylany in the Czech Republic ; Langweiler and Zwenkau in Germany ; Brunn am Gebirge in Austria ; Elsloo , Sittard , Köln-Lindenthal , Aldenhoven , Flomborn and Rixheim on the Rhine ; Lautereck and Hienheim on the upper Danube ; Rössen and Sonderhausen on the middle Elbe .