Randazzo - Walls, towers and gates Porta San Giuliano o Aragonese The Gate of San Giuliano, otherwise recognized as the Aragonese Gate, dates back to the 13th century. Above the door, the banners of Peter I of Aragon are visible. It is one of the four doors which were part of the walls of Randazzo. It extends on the longest side of the city walls. Near the door, customs officers were allocating who checked the products arrived in the city.