 It is part of the Montemarcello-Magra Natural Regional Park.It has an entrance and exit to the toll-paying "Autostrada"

The municipality of Santo Stefano di Magra contains the "frazioni" (subdivisions, mainly villages and hamlets) Ponzano Magra, Ponzano Belaso, and Ponzano Superiore.Santo Stefano di Magra borders the following municipalities