L'italiana in Algeri
In 2007, Gheorghiu was engaged as a member of the ensemble of the Wiener Staatsoper, and continued to sing there regularly until 2010. Her roles in Vienna included Adele in Die Fledermaus, Nanetta in Falstaff, Fiakermilli in Arabella, Adina in L'elisir d'amore, Elvira in L'italiana in Algeri, Sophie in Werther and Eudoxie in La Juive.