the orto botanico di portici (20,000 m²), also known as the orto botanico della facoltà di agraria dell'università di napoli-portici, is a botanical garden operated by the university of naples agriculture department, and located at via università, 100 – 80055 portici, province of naples, campania, italy. it is open weekday mornings, but reservations must be made in advance and an admission fee is charged.