Which country's part is XXX?
Anagni
It is speculated that, at the foot of the hill on which the city stands, there was the so-called Maritime Circle, where the Hernican towns of Aletrium (Alatri), Capitulum (Piglio), Verulae (Veroli), and Ferentinum (Ferentino) confederated under the aegis of Anagnia (Anagni).