Open registrations:
| Event name | Event date | Event location |
| TORAKS 2021 | 19.05.2021. | Zagreb |
| 11. Internistički kongres | 04.06.2021. | Opatija, Croatia |
| 18th Congress of the International Society for Folk Narrative Research | 05.09.2021. | Virtual congress |
| European Cleveland Clinic Endocrinology and Diabetes update | 30.09.2021. | Split, Croatia |
| 13. kongres Hrvatskog društva za internističku onkologiju | 14.10.2021. | Šibenik |
| 7th ENEA Workshop — Cushing's Disease | 09.12.2021. | Dubrovnik |