“Italian is a Romance language of the Indo-European language family. Italian descended from the Vulgar Latin of the Roman Empire and, together with Sardinian, is by most measures the closest language to it of the Romance languages. Italian is an official language in Italy, Switzerland (where it is the main language of Ticino and the Graubünden valleys of Calanca, Mesolcina, Bregaglia and val Poschiavo), San Marino and Vatican City.” –
wikipedia.org