Castelfranco Veneto is a town and comune (municipality) of Veneto, northern Italy, in the province of Treviso. It is the third largest municipality in the province by population after the capital Treviso and Conegliano. It is centrally located between the cities of Treviso, Padua and Vicenza, it is a walled city with a well-preserved medieval castle.

The province of Treviso is a province in the Veneto region of Italy. Its capital is the city of Treviso. The province is surrounded by Belluno in the north, Vicenza in the west, Padua in southwest, Venice in the south-east and Friuli-Venezia Giulia in the east. The current President of Treviso is Stefano Marcon, elected in September 2016. He is also the current mayor of Castelfranco Veneto.