Koblenz, also spelled Coblenz or Coblence, is a German city situated on both banks of the Rhine at its confluence with the Moselle, where the Deutsches Eck and its monument are situated.As Koblenz was one of the military posts established by Drusus about 8 BC, the town celebrated its 2000th anniversary in 1992.The name Koblenz originates from Latin confluentes, confluence or " merging of rivers". Subsequently it was Covelenz and Cobelenz. In the local dialect the name is Kowelenz.After Mainz and Ludwigshafen am Rhein, it is the third largest city in Rhineland-Palatinate, with a population of c. 106,000 . Koblenz lies in the Rhineland, southeast of Cologne by rail.HistoryAncient eraAround 1000 BC, early fortifications were erected on the Festung Ehrenbreitstein hill on the opposite side of the Moselle. In 55 BC, Roman troops commanded by Julius Caesar reached the Rhine and built a bridge between Koblenz and Andernach. About 9 BC, the "Castellum apud Confluentes", was one of the military posts established by Drusus.