Härtlingen lies 5 km southwest of Westerburg in the Elbbach Valley. Since 1972 it has belonged to what was then the newly founded Verbandsgemeinde of Westerburg, a kind of collective municipality.
Constituent communities
Härtlingen has an outlying centre called Unterhärtlingen.
History
In 1292, Härtlingen had its first documentary mention as Hertlingen.
Politics
The municipal council is made up of 9 council members, including the extraofficial mayor (Bürgermeister), who were elected in a majority vote in a municipal election on 7 June 2009.