"Supporting this theory are the mentions of the river Sarno, and settlements Rufrae/Rufras (modern Raviscanina/Presenzano), Bovianum (modern Bojano), Caudium (modern Montesarchio), Herdonia (modern Ordona), Avella (modern Abella), and Aesernia (modern Isernia), all of which remain within very close proximity of Paduli, some lying less than a mile away from the modern town.Still, there are some challenges to this theory.