Bad Friedrichshall
Starting from the south going in a clockwise direction, Neuenstadt is surrounded by Eberstadt, "Neckarsulm", Oedheim, "Bad Friedrichshall", "Neudenau", Hardthausen am Kocher and Langenbrettach (all also in the district of Heilbronn). Neuenstadt is part of a joint administration agreement with Hardthausen am Kocher and Langenbrettach.