Quartiere IX Appio-Latino on Tavola 31, with the Caffarella valley and the Appian Way monuments below a dense belt of streets along the Tuscolano border.
Source: Old map, public domain
In the southern half, yellow shading picks out the Circo di Massenzio and the Tempio di Romolo, with the Tomba di Cecilia Metella marked at the right end. Above the Caffarella stream, a packed network of numbered streets reaches up to the Monti and Celio edge.