- The Pannonian Fleet was the Roman Navy on the Danube. Classis means Fleet in Latin. It operated west of the Iron Gates to Regensburg.
- Its sister fleet, the Classis Moesica, operated east of the Iron Gates to the Black Sea.
Bases in Pannonia Inferior
- The Pannonian Fleet operated west of the Kazan Gorge or Iron Gates to Regensburg. The Fleet may have its origins in 35 BCE, but is confirmed from 45 CE onwards.
- Osijek (Mursa), on the R. Drava, Croatia (also at Florentia and Arruntum)
- Classis Pannonica Fleet HQ
- Taurunum, Zemun
- Aquincum
- Viminacium
- Osijek (Mursa), on the R. Drava, Croatia (also at Florentia and Arruntum)
Bases of the Classis Moesica in Moesia Inferior
- East of the Kazan Gorge or Iron Gates
- Noviodunum, (Isaccea, Roumania)
- Classis Moesica c.10 CE onwards.
- Comagena:
- Classis Comaginensis
- Arelape:
- Classis Arlapensis et Maginensis
- Lauriacum:
- Classis Laureacensis
- Dacia Ripensis:
- Classis Ratianensis
- Margo:
- Classis Stradensis et Germensis
- Noviodunum, (Isaccea, Roumania)
After 390 CE
- In 390 CE The two fleets were combined into the Classis Histrica
- Its Home Ports were: Mursa, Florentia, Arruntum, Viminacum and Aegetae.
Osijek, Croatia