Porta San Paolo su južna vrata Aurijevog zida iz 3. vijeka. U unutrašnjosti se nalazi Ostiense Museum (Museo della Via Ostiense). Nekada su nosila naziv Porta Ostiense, jer su se nalazila na putu koji je povezivao Rim i luku Ostia.
Porta San Paolo is the southern gate of Aurelian Walls from the 3rd century. On the inside is the Ostiense Museum (Museo della Via Ostiense). Its original name was Porta Ostiense, because of its location, between Rome and port Ostia
