San Giovanni a Porta Latina (church building) built
401 CE.
Shown on the map at 41.877°, 12.502°.
San Giovanni a Porta Latina (Italian: "Saint John Before the Latin Gate") is a Basilica church in Rome, Italy, near the Porta Latina (on the Via Latina) of the Aurelian Wall.
Text from the Wikipedia article San Giovanni a Porta Latina, licensed CC BY-SA 4.0.