Castello dell’Imperatore, located in Prato’s historical centre, is a stunning example of 11th-13th-century architecture. It was the headquarters of the Imperial Party in the Florentine countryside and the seat of the Imperial Viceroy of Tuscany. The castle's main attraction is its aspect, which is a good example of a Federician castle. Visitors can explore its impressive square plan with eight towers, crowned with Ghibelline battlements. The castle’s strategic location allows visitors to explore surrounding medieval monuments like the Cathedral and Praetorian Palace.