South Italy is one of the five official statistical regions of Italy used by the National Institute of Statistics (ISTAT), a first level NUTS region and a European Parliament constituency. South Italy encompasses six of the country's 20 regions:Abruzzo Apulia Basilicata Calabria Campania Molise

Southern Italy, also known as Meridione or Mezzogiorno, is a macroregion of Italy consisting of its southern regions.