Palais Auersperg, originally called Palais Rosenkavalier, for Hieronymus Capece de Rofrano, to whom the former name refers.
It is a baroque palace at Auerspergstraße 1 in the Josefstadt or eighth district of Vienna.
It was built between 1706 and 1710 on the plot of the former Rottenhof according to the plans of two well-known architects, Johann Bernhard Fischer von Erlach and Johann Lukas von Hildebrandt.