The Regno di Nettuno Marine Protected Area, established by Italian Ministerial Decree no. 27/12/2007, pursues the environmental protection and enhancement of the sea surrounding the islands of Ischia, Procida and Vivara, in the Gulf of Naples. With its 11,256 ha of surface area, it is the largest MPA in Campania and encompasses features of great interest, not only from a naturalistic point of view. Compared to the other Italian MPAs, Regno di Nettuno includes two extra protection zones in addition to the canonic zone A (of integral protection), zone B (of general reserve) and zone C (of partial reserve), identified in zones B n.t. "No Take" (of special general reserve) and zone D (of protection of marine mammals).