Gückingen is a municipality located in the district of Rhein-Lahn within the state of Rhineland-Palatinate in western Germany. It serves as a local administrative area and is part of the association community of Diez.
The town is situated in a region characterized by its rural landscape and historical connections to the surrounding Rhine-Lahn district. As a member of the Diez association community, it functions within a collaborative framework for regional governance and services.