 Later the Kerretes came under Roman rule, and the Romans renamed the oppidum "Julia Lybica", with a significant number of Roman citizens settling there.During the Roman Empire, the area of Cerdanya was a "pagus" known as "pagus Liviensis" (a name derived from its capital Julia Lybica), part of the province of Hispania Tarraconensis.The "pagus Liviensis" was itself divided in two