roughly coterminous with the modern municipalities of Neuss and Grevenbroich Odangau: on the left bank of the Lower Rhine, south of Bonn; untergau of Bonngau or Rien: alonge the Nete river, around Antwerp, western Antwerp province or Duisburggau: western Ruhrgebiet including Duisburg and Essen Toxandria: between the Meuse, Demer and Schelde rivers in the Belgian-Dutch border region : along the upper Rur Waasland or Waasgau: north of the Schelde, northeast East Flanders Upper Lotharingia Albegau: on the right bank of the upper Meurthe Alzettegau: along the Alzette Arelgau or Arlenais: along the headlands of the upper Semois, west of Luxembourg Barrois: along the Ornain, between the Marne and Meuse, southwest of Verdun Blois: along the upper Meuse, south of Verdun or Bitgau: south Eifel around Bitburg Bliesgau: along the Blies or pagus Caroscus: along the upper Kyll and the upper Prüm, around the town of Prüm; possibly named from the Belgic tribe of the Caeroesi : along the upper Meuse, around Charleville-Mézières : along the upper Meurthe and Moselle, southwest of Nancy Dulcomensis: between the Aisne and Meuse, northwest of Verdun Eichelgau: along the , southeast of Saarbrücken Hunsrückgau: in the western Hunsrück, along the Moselle, northeast of Trier Karosgau: along the Prüm in western Eifel Maifeld: at the confluence of the Middle Rhine and Moselle rivers, southwest of Koblenz : along the upper Alzette, around Luxembourg City Metzgau: along the middle Moselle, the area surrounding Metz : along the lower/middle Moselle between Cochem and Metz; largely overlapping with territories in Bidgau, Metzgau, and Wavergau and possibly replaced early on by them Mosomensis: along the upper Meuse in the Ardennes, north of Verdun Niedgau: along the Nied, east of Metz : along the river Ornain between Lorraine and Champagne Rizzigau: along the midde Moselle, around Thionville Saargau: along the Saar, sometimes divided into Upper Saargau around Sarrebourg and Lower Saargau around Wallerfangen : between the upper Meuse and Moselle, south of Toul Salingau or ; along the Seille Sauergau: along the Sauer in Luxembourg Scarponagau or Scarponois: along the middle Moselle, roughly between Toul and Metz Soulossois: along the upper headlands of the Meuse, southwest of Toul : on the upper Moselle, around Toul Trechirgau: between the lower Moselle and the left bank of the Middle Rhine, in the eastern Hunsrück : on the right banks of the Saar and Moselle, southeast of Trier Verdungau or : along the upper