[1] It is located in Parco del Valentino, and is the seat of the Architecture Faculty of the Polytechnic University of Turin.

The name Valentino, first mentioned in 1275, seems to derive from a saint called Valentine whose relics were venerated in a church which stood nearby.

Minor modifications were made in the early nineteenth century; at this time, too, much of the seventeenth-century furniture was carried off by French troops.

Renovations were carried out in 1860 when it was selected as the seat of the engineering faculty of Turin; it has been further restored in recent years.

The Orto Botanico dell'Università di Torino, a historic botanical garden in the castle grounds.