The so-called villa of Pliny the Younger, also known as the Villa della Palombara. The villa's first phases date to the Iulio-Claudian period. It continues in use, and continues to undergo modifications, through the second century A.D.
Description via Pleiades. Coordinates and heritage data from the Atika atlas.
Atika pings you when you walk or drive past heritage like this. Works offline, no account needed to explore.