 The Walk to Canossa is sometimes used as a symbol of the changing relationship between the medieval Church and State., Canossa has a population of 3,778, and borders the "comuni" of Casina, Castelnovo ne' Monti, Neviano degli Arduini (PR), San Polo d'Enza, Traversetolo (PR), Vetto, and Vezzano sul Crostolo.The town was formerly known as Ciano d'Enza, while Canossa was the name of only the castle, now in ruins, once belonging to Matilda of Tuscany, and nearby hamlet, which lie some 8 km east of the town.