You enter Region IX South on the Pons Fabricius, the bridge leading from Tiber Island (view a model of the ancient bridge and its physical remains). Click on the map "hotspots" to jump to these locations or use the exits below to explore the region on foot; clicking on the green words outside the map proper will take you to other parts of the region. If you get lost while exploring, you can always return to this map by using the Quick Jump bookmarks.
Theater of Marcellus