Vallerano is labelled with Tenuta di Vallerano, Tenuta della Selcetta, Malpasso and Tenuta Acquacetosa, and a pink road runs from the north border down to the Via Pontina.
Source: Old map, public domain
A purple wash covers the south-east, close to the Osteria del Malpasso, while yellow and magenta lines trace boundaries with Castel di Leva and Castel di Decima. Tenuta della Perna and the Sugherete appear in the centre.
