Aar-Einrich is a Verbandsgemeinde ("collective municipality") in the Rhein-Lahn-Kreis, in Rhineland-Palatinate, Germany.
It was formed on 1 July 2019 by the merger of the former Verbandsgemeinden Hahnstätten and Katzenelnbogen.
It takes its name from the river Aar and the Einrich hills.
The Verbandsgemeinde Aar-Einrich consists of the following Ortsgemeinden ("local municipalities"):
This Rhein-Lahn location article is a stub.