castle') was first mentioned in 907, and is attributed to Bratislava, but the actual location of Brezalauspurc is under scholarly debate.

The name Pozsony was first mentioned in Establishing charter of the abbey of Pannonhalma [hu] in 1002. The linguist Ján Stanislav believed the city's Hungarian name, Pozsony, to be attributed to the surname Bozan, likely a prince who owned the