Fig. 1: Location of the Trastevere district and the Basilica of St. Chrysogonus in Rome.
From: The Basilica of Saint Chrysogonus in Rome: an integrated historical and 3d morphometric analysis

a) Map of the entire city of Rome, with the Trastevere district highlighted in red; b) Map of the Trastevere district, with the location of the Basilica of St.Chrysogonus highlighted in purple; c) Enlarged view of the area surrounding the Basilica.