"Castillionum" was created in 1157 by the Consuls of Sospel to protect the Sospel people from Lombard and Saracen invasions.
the Sospel people from Lombard and Saracen invasions.
Castillon then became the property of the Counts of Ventimiglia, the Consul Vento de Menton before being attached to the Lord of the Consul Vento of Menton before being attached again to the Lord of Sospel.
In 1348, the village became part of the Principality of Monaco then, in 1376, it was once again the...