Pannonia

Provincia Pannonia
8/9  433 AD

Province of Pannonia in the first century AD
CapitalCarnuntum, Sirmium, Savaria, Aquincum, Poetovio or Vindobona
DemonymPannonian
Historical eraClassical antiquity
 Established via separation from Illyricum
8/9 
 The Western Roman Empire officially cedes Pannonia to the Hunnic Empire
 433 AD

Pannonia (/pəˈnniə/, Latin: [panˈnɔnia]) was a province of the Roman Empire bounded on the north and east by the Danube, on the west by Noricum and upper Italy, and on the southward by Dalmatia and upper Moesia. It included the modern regions western Hungary, western Slovakia, eastern Austria, northern Croatia, north-western Serbia, northern Slovenia, and northern Bosnia and Herzegovina.