Palazzo Re Enzo, Italy

Palazzo Re Enzo is a palace in Bologna, northern Italy. It takes its name from Enzio of Sardinia, Frederick II's son, who was prisoner here from 1249 until his death in 1272.

The palace was built in 1245 as an extension of the nearby Palazzo del Podestà, which had proven insufficient for the exigences of the Commune of Bologna. It was therefore initially known as Palatium Novum ("New Palace").

Three years after the palace completion, Enzio was captured by the Guelphs at the Battle of Fossalta, and after a short stay in Anzola he was moved here, where he remained until his death. In 1386 Antonio di Vincenzo finished the Sala dei Trecento ("Hall of the Three-Hundred"), which was to become the city's archive.

The last floor was largely renovated in 1771 by Giovanni Giacomo Dotti. The current Gothic appearance dates from the restoration of 1905 due to Alfonso Rubbiani. On the right of the palace is the access to the chapel of Santa Maria dei Carcerati, where the condemned to death went to. In the first floor was held the Carroccio and the war machines, while in the middle floor were the offices of the praetor and the chapel.