South Italy

South Italy ( or just ) is one of the five official statistical regions of Italy used by the National Institute of Statistics (ISTAT), a NUTS1 level region.
South Italy is defined only for statistical and for some elections. It should not to be confused with the "Mezzogiorno", or Southern Italy, which generally refers to all the southern half of the Italian State, including the island of Sicily and sometimes even Sardinia. The two islands form a distinct statistical region.region.
Geography.
South Italy borders to the north with Central Italy (to the northwest with Lazio and to the northeast with Marche). The Adriatic Sea is to the east and the Tyrrhenian Sea to the west, and the Ionian Sea to the south.
The Apennines are mountain ranges that goes from north to south through South Italy. The highest point in the region is the Corno Grande () (part of the Gran Sasso) that is high.
Regions.
Central Italy encompasses six of the 20 regions of Italy, including 24 provinces and 1,789 comuniː
The "comuni" with more than 100,000 persons living in them areː