The
medioeval walls that hold the castle of
Castiglion
Fiorentino , called since 1014 as
"Castillione
Aretino", rapresent the area,
that
exist until '200, called Cassero. To access
into
the city there are 4 doors : la Porta Fiorentina, Porta
Romana,
la Porta S. Giuliano, la Porta del
Soccorso.