ise , ▁Camp ania , ▁Bas il ic ata ). ▁ ▁Ext reme ▁southern ▁dialect s ▁( Sal ento , ▁southern ▁Cal ab ria ▁and ▁Sic ily ). ▁ ▁S ardin ian . ▁ ▁Non - R om ance ▁languages ▁ ▁Alban ian , ▁S lav ic , ▁Greek ▁and ▁Roman i ▁languages ▁ ▁High ▁German ▁languages ▁ ▁Geographic ▁distribution ▁ ▁Northern ▁Italy ▁The ▁Northern ▁Italian ▁languages ▁are ▁convention ally ▁defined ▁as ▁those ▁Rom ance ▁languages ▁spoken ▁north ▁of ▁the ▁La ▁Spe zia – R im ini ▁Line , ▁which ▁runs ▁through ▁the ▁northern ▁Ap enn ine ▁Mountains ▁just ▁to ▁the ▁north ▁of ▁T usc any ; ▁however , ▁the ▁dialect s ▁of ▁Occ itan ▁and ▁Franco - Pro ven ç al ▁spoken ▁in ▁the ▁extreme ▁north west ▁of ▁Italy ▁( e . g . ▁the ▁Val d ô tain ▁in ▁the ▁A osta ▁Valley ) ▁are ▁generally ▁ex cluded . ▁The ▁classification ▁of ▁these ▁languages ▁is ▁difficult ▁and ▁not ▁agreed - up on , ▁due ▁both ▁to ▁the ▁variations ▁among ▁the ▁languages ▁and ▁to ▁the ▁fact ▁that ▁they ▁share ▁is og loss es ▁of ▁various ▁sorts ▁with ▁both ▁the ▁Ital o - R om ance ▁languages ▁to ▁the ▁south ▁and ▁the ▁Gal lo - R om ance ▁languages ▁to ▁the ▁north west . ▁ ▁One ▁common ▁classification ▁div ides ▁these ▁languages ▁into ▁four ▁groups : ▁The ▁Italian ▁R ha eto - R om ance ▁languages , ▁including ▁Lad in ▁and ▁Fri ul an . ▁The ▁poor ly ▁research ed ▁Ist ri ot