Eschenburg borders in the north on the communities of Dietzhölztal (Lahn-Dill-Kreis) and Breidenbach, in the east on the communities of Steffenberg and Angelburg (all three in Marburg-Biedenkopf), in the south on the community of Siegbach, in the southwest on the town of Dillenburg, and in the west on the town of Haiger (all in the Lahn-Dill-Kreis).