(58-50 BC), their chief town became the oppidum of Pommiers, generally identified with the fortress of Noviodunum (Gaulish: 'new fortress') mentioned by Caesar. Pommiers was progressively abandoned and became unoccupied after the end of reign of Augustus (27 BC-14 AD), when their chief town became Augusta Suessionum.

Smaller oppida were also located at Ambleny,