United Nations Group of Experts on Geographical Names Romano-Hellenic Division Permanence, transformation, substitution and oblivion of geographical names Edited by Andrea Cantile and Helen Kerfoot 3 rd International Scientific Symposium Castel dell’Ovo – Napoli [Naples] – Italia [Italy], 22 th - 24 th September 2021 IGMI - Firenze [Florence] 2022 rd rd