Quartiere XVI Monte Sacro on Tavola 38, with the Aniene looping around the garden-suburb streets and the Val Melaina zone at the right.
Source: Old map, public domain
Curving, closely spaced lanes form a web in the lower middle, drawn in grey-blue around a small round piazza. The Aniene wraps the plate on the left and top, and a pink diagonal road crosses toward the Val Melaina and Casal Boccone zones.