San Gregorio d'Ippona is a comune in the Province of Vibo Valentia in the Italian region Calabria, located about 50 kilometres southwest of Catanzaro and about 2 kilometres southeast of Vibo Valentia.

Catanzaro, also known as the "City of the two Seas", is an Italian city of 86,183 inhabitants, the capital of the Calabria region and of its province and the second most populated comune of the region