| #1 | | | Viena, Áustria | | 155+ tahun | Persalinan | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek |
| #2 | | | Viena, Áustria | | 28+ tahun | Persalinan | — | — | International Organization for Standardization |
| #3 | | | Viena, Áustria | | — | Persalinan | — | — | International Organization for Standardization |