Open registrations:
| Event name | Event date | Event location |
| Izazov promjene 2021 | Rovinj, Croatia | |
| 11. Internistički kongres | 04.06.2021. | Opatija, Croatia |
| 18th Congress of the International Society for Folk Narrative Research | 05.09.2021. | Virtual congress |
| Godišnja konferencija farmaceuta Hrvatske s međunarodnim sudjelovanjem- PharmaCRO 2021. | 23.09.2021. | Virtualno |
| 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 |