Koblenz is a German city situated on the Rhine at its confluence with the Moselle. Koblenz may also refer to: Koblenz, Switzerland, a municipality in Canton Aargau at the confluence of the Rhine and Aar Koblenz (region), a former administrative subdivision of the German state of Rhineland-Palatinate Koblenz (Lohsa), a constituent part of the former municipality of Knappensee in Saxony, Germany Koblenz Appliances, a brand of consumer white appliances See also SS Coblenz, original name of the steamship SS Cuba