1880-1880 House Gustav Mahler Vienna – Floragasse No. 7 Posted byWebmaster March 14, 2017July 16, 2020 Year 1880. Period: around 27-04-1880. Address: Floragasse No. 7, 4th stairs, 3rd floor. District number: IV. District name: Wieden. Map Districts of Vienna. Related posts: Year 1887 Year 1886 Mahler Festival 1920 Amsterdam Gustav Mahler’s Legacy Alfred Roller (1864-1935) Amsterdam Royal Concertgebouw