Lahnstein lies at the confluence of the Lahn River, which flows into the Rhine just five kilometers south of Koblenz. The districts are located in the Rhine Valley and on the foothills of the Westerwald and Taunus mountains. The Bildungswerk der Hessischen Wirtschaft (Hessian Business Education Center) has been offering a variety of educational programs in this large district town in the Rhein-Lahn district of Rhineland-Palatinate since 2006.
The location in Lahnstein is assigned to the Limburg management area.