At the border of the Kingdom of the Two Sicilies

Crossroads of peoples and wars so much so that already in 315 a. C. the Romans, led by the dictators Quinto Fabio and Quinto Aulio, defeated the Samnites there.
Originally the ancient Via Appia passed inside the structure and in the Bourbon era (until 1870) it marked the border between the Kingdom of the Two Sicilies and the Papal States, inside it housed the customs and in the small external building the Gendarmerie. Among these buildings there was also the so-called "letter disinfection hut". At the time, in fact, even the air was considered a vehicle of contagion so much so that travelers could continue only after changing clothes and passing a period of quarantine.

"Torre Portella, located on the so-called" no man's land ", a buffer zone between our Kingdom and the Papal State in which, in fact, customs procedures took place. Mozart also passed through this gate on 11 May 1770, on his way to Naples.