Castelmassa is a comune in the Province of Rovigo in the Italian region Veneto, located about 90 kilometres southwest of Venice and about 35 kilometres west of Rovigo.
Castelmassa borders the following municipalities: Calto, Castelnovo Bariano, Ceneselli, Felonica, Sermide.
Wikipedia https://en.wikipedia.org/wiki/Castelmassa
Official Website http://www.comune.castelmassa.ro.it/
Coordinates 45°1'0.669" N 11°18'37.792" E
