The strangest hypotheses have been made about this iconic building, for example that it was a sanctuary of the Delphic ritual or of other cults. In reality, as its structures show, it was a miniature villa, equipped with all the traditional elements of a Roman domus. Atrium, internal garden, bedroom triclinium and even a small thermal plant.
Ueblacker's book with Caprino's study on friezes are excellent and well documented.
Marina De Franceschini, Villa Adriana. Mosaici, pavimenti, edifici. Roma 1991, pp. 185-198 and 428-436.
Bacchielli 1991; Caprino 1985; Ueblacker 1985