Italy has various emergency numbers depending on which type of emergency you have. However the European Emergency Number is 112 but in Italy this would normally connect you to the Carabinieri (who are like a local branch of military police).
Telephone code for Italy is +39
112 – Carabinieri
113 – General Emergency
118 – Ambulance (for very serious injuries)
115 – Fire
116 – Roadside Breakdown