A city of west-central Germany at the confluence of the Rhine and Moselle Rivers southeast of Bonn. Founded as a Roman frontier station, the city was prominent during Carolingian times as a residence of Frankish kings.x
- independent city in Rhineland-Palatinate, Germany
- COBLENZ (KOBLENZ), a city and fortress of Germany, capital of the Prussian Rhine Province, 57 m.
- Gunther, Geschichte der Stadt Koblenz (Cobl., 1815); and Bar, Urkunden and Akten zur Geschichte der Verfassung and Verwaltung der Stadt Koblenz bis zum Jahre z50o (Bonn, 1898).