The square is closed by Palazzo Balestrino , one of the few in Albenga built from scratch and not the result of complex mergers. It dates back to the Renaissance period and is decorated inside with busts and tombstones. One of these, of considerable historical value, celebrates the reconstruction of the Roman city by general Constantius in the fifth century AD. C .. Since 1954, after the bequest of the last heir of the Marquises del Carretto di Balestrino to the Curia, the palace has been the Episcopal seat. Of the Marchesi the coat of arms with the letters FOCDCMDB that prof. Lamboglia interpreted as follows: Fecit Octavianus Costa De Carreto Brand De Balestrino (Work of Ottaviano Costa Del Carretto Marquis of Balestrino)