a city in SE Germany, in Bavaria on the River Danube: a free Imperial city from 1245 and the leading commercial city of S Germany in the 12th and 13th centuries; the Imperial Diet was held in the town hall from 1663 to 1806. Pop: 128 604 (2003 est)
Former English name: Ratisbon
Regensburg in American English
(ˈreɪgənzˌbɜrg; German ˈʀeɪgənsˌbʊʀx)
city in SE Germany, on the Danube, in the state of Bavaria: pop. 125,000