The following towns and communities border on Horb am Neckar, listing them in clockwise order starting in the east: Starzach (in Landkreis Tübingen), Haigerloch (Zollernalbkreis), Empfingen (Landkreis Freudenstadt), Sulz am Neckar (Landkreis Rottweil), Glatten, Schopfloch and Waldachtal (all in Landkreis Freudenstadt), and finally Haiterbach and Nagold, both in Landkreis Calw).