Vizzini is a town and comune in the Metropolitan City of Catania, on the island of Sicily, southern Italy. It is located 60 kilometres from Cataniā¦Vizzini is a town and comune in the Metropolitan City of Catania, on the island of Sicily, southern Italy. It is located 60 kilometres from Catania in the Hyblaean Mountains, on the most northwesterly slopes of Monte Lauro.