This is a common misconception: in reality the statutory minimun days off in Italy is 20 days plus 10 days bank holidays.
If a Bank Holiday falls on a Sunday the following day is NOT treated as a holiday, like for example in UK so in reality the 10 days bank holidays may not be holidays at all.
If a Bank Holiday falls on a Sunday the following day is NOT treated as a holiday, like for example in UK so in reality the 10 days bank holidays may not be holidays at all.