A fire broke out shortly before 5 a.m. in the garages of Parco Queen, on Via Papa Giovanni XXIII in Melito, near Rione 219.
The blaze destroyed 13 vehicles, including cars, scooters and motorbikes parked in the garage area.
Firefighters from the Scampia station responded, together with Carabinieri from the local station and the Municipal Police.
As a precaution, two families were evacuated. No injuries were reported.
The affected area was cordoned off and placed under seizure for further checks. The cause of the fire has not yet been established.