The Milesi Palace is a fifteenth-century building intended as the noble residence of the Buccelleni family, then in the late sixteenth century passed to the Ginami and later to the Milesi nobles.
Today it is municipal headquarters and houses the MAP – Museum of White Arms and Parchmentswhere the centuries-old history of the fortified village of Gromo is told through a collection of swords and white weapons forged by local craftsmen.