Manchester City boss Roberto Mancini is confident their away fans will be safe on their trip to Naples.
Napoli's ultras have a notorious reputation in a country that is still plagued by football-related violence.
And City have warned fans travelling to the crucial Champions League tie that they should not wear club colours and avoid no-go areas in the city-centre.
But Mancini said: "Naples is like any other city - there are good people and there are bad people. The good thing is that Napoli play in the same colours that we do, so there shouldn't be any problem for blue scarves."