Portals in the fortification retain much historical and ornamental significance:**"Porta Romana" or "Porta di San Rocco" is situated on the Via Appia towards Rome, flanked by the Doria palace and the church of San Rocco, the final appearance was given in the 18th century.
V času gotske vojne (535-554), je bil Albano "oppidulum", nato majhno utrjeno naselje.