The Upper Pannonia or Pannonia Superior was ancient Roman province with the capital Carnuntum. It was formed in the year 103 AD. Upper Pannonia included parts of present-day Hungary, Austria, Croatia, Slovenia, Bosnia and Herzegovina, and Slovakia.
Some of the important cities in Upper Pannonia were:
- Siscia (today Sisak)
- Poetovio (today Ptuj)
- Iovia Botivo (today Ludbreg)
- Aquae Balissae (today Daruvar)
- Servitium/Serbinum (today Gradiška)
- Andautonia (today Ščitarjevo)
- Savaria (today Szombathely)
- Scarbantia (today Sopron)
- Arrabona (today Győr)
- Vindobona (today Vienna)
Later usage 
From cca. 796 to 828/830 Upper Pannonia, as a territory under Frankish influence, referred to present-day western Hungary, i.e. to Pannonia to the north of the Drava (and to the east of Carantania and Krain). From 828/830 onwards, Upper Pannonia referred to Pannonia to the north of the Rába River and to the east of Tulln. The name can be found even much later in a similar, but wider, meaning. E.g. Otto von Freising (Chron. 6, 15) uses it to refer to Austria (i.e. Austria proper) in the 12th century.