Noviodunum
Noviodunum is a Celtic city name that denotes the following settlements:
- Noviodunum Haeduorum , city of the Haeduer, today's Nevers or today's Diou in France
- Noviodunum Biturigum , city of the Biturigen, today's Neuvy-sur-Barangeon in France
- Noviodunum Helvetiorum , city of the Helvetii, today's Nyon in Switzerland
- Noviodunum Suessionum , City of Suessions, today's Soissons in France
- Noviodunum ad Istrum , city in the Roman province of Moesia inferior (Lower Moesia ), today's Isaccea in Romania