The Paul VI Audience Hall, also known as the Hall of the Pontifical Audiences, is an audience hall in which the Pope has held various audiences and conferences.
Wikipedia https://en.wikipedia.org/wiki/Paul_VI_Audience_Hall
Address 45A Via di Porta Cavalleggeri, Roma 00165, Italy
Coordinates 41°54'2.405" N 12°27'17.577" E