Aviosuperficie has at its disposal two Notam zones authorized by ENAC to allow parachute airdrop activity throughout the year. The two zones are activated by the operational staff in charge of the radio information service in coordination with the Rome ACC center.
Information on the two areas can be found on AIP Italy in ENR 5.5.1-1, under:

FONTANA DI POLO – Terni Zona 1
FONTANA DI POLO – Terni Zona 2