Cottii Regnum was a small independent kingdom in northwestern Italy. It included most of an important road over the pass of Mont Genevre and Mont Cenis into Gaul. The kingdom was included in the Roman Empire about AD 64.
This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "". Encyclopædia Britannica. 7 (11th ed.). Cambridge University Press.