Koblenz is a city in northern Rhineland-Palatinate, Germany with about 107,000 inhabitants. It is the third biggest city in the state of Rhineland-Palatinate and one of its main centres. Koblenz is the base of the Campus Koblenz of the University of Koblenz-Landau and the seat of the Mayen-Koblenz municipality.
Koblenz is situated at the meeting of the Rhine and Moselle rivers, between Bonn (60 km (37.3 mi) downstream the Rhine) and Mainz (90 km (55.9 mi) upstream the Rhine). Parts of Koblenz belong to a
UNESCO World Heritage site.