The Royal Palace of Portici is a former royal palace in Portici, Southeast of Naples along the coast, in the region of Campania, Italy. Today it is the home of the Orto Botanico di Portici, a botanical garden operated by the University of Naples Federico II. These gardens were once part of the large royal estate that included an English garden, a zoo and formal …The Royal Palace of Portici is a former royal palace in Portici, Southeast of Naples along the coast, in the region of Campania, Italy. Today it is the home of the Orto Botanico di Portici, a botanical garden operated by the University of Naples Federico II. These gardens were once part of the large royal estate that included an English garden, a zoo and formal parterres.