 Most of the municipal area lies in the Heckengäu, a region characterized by karstified and forested muschelkalk hills covered with thin layers of soil.A portion of the Federally-protected natural reserve is located in the southeast of the municipality.Friolzheim's municipal coat of arms is divided vertically between an image of a stag in gold upon a field of blue on the right, and five bars – three gold and two blue – on the left.