The Town Hall was originally intended to keep the public reserve, "some grain-growing and municipal offices”. In 1336 it became the residence of the Elders, the highest judiciary of the City Government and is the seat of city government.
Palazzo Re Enzo was built between 1244-46 (when also Palazzo del Capitano del Popolo was raised as an extension of the Municipal buildings. The palace was also known as 'new palace' to differentiate it from Palazzo del Podestà. Just three years later the palace became the 'residence' of the King taken prisoner in the battle of Fossalta: Re Enzo from Sardinia, son of Federico II.