It should not to be confused with the Mezzogiorno , which generally refers to all the southern half of the Italian State , including the island of Sicily and sometimes even Sardinia .
South Italy is defined only for statistical and electoral purposes .
South Italy should not to be confused with the Mezzogiorno , which generally refers to all the southern half of the Italian State , including the island of Sicily and sometimes even Sardinia .
South Italy is defined only for statistical and electoral purposes .