INFO for visitors:
Groups that wish to visit the archaeological site of Pompeii, Villa Arianna and San Marco as well as the Libero D’Orsi Archaeological Museum at Stabiae, the Villa of Poppaea at Oplontis and the Villa Regina and Antiquarium at Boscoreale, that the size of these groups is regulated as follows:

• Pre-organised groups (tour operators / parishes / associations/ CRAL / company recreational initiatives and others) are permitted up to a maximum of 35 individuals if the group is equipped with earphones or ‘whisper’ systems, but are limited to a maximum of 15 individuals if the group does not have earphones or ‘whisper’ systems.
• For schools, class groups up to a maximum of 35 people (including accompanying individuals) are permitted without earphones or ‘whisper’ systems;
• Additional limitations on visitor group numbers may be imposed in smaller buildings or areas, or in case of particularly high visitor numbers, as advised by the Park Staff