Site of the Roman town of Casinum, it is widely known for its abbey, the first house of the Benedictine Order, having been established by Benedict of Nursia himself around 529. It was for the community of Monte Cassino that the Rule of Saint Benedict was composed.

Cassino. / (Italian kassino) / noun. a town in central Italy, in Latium at the foot of Monte Cassino: an ancient Volscian (and later Roman) town and citadel.