Archives
![](https://optica-org-web-afd-f9abf4byhbacgfgk.z02.azurefd.net/optica/media/files/events/hb/2024/image_hb24_1920x1080_v2.jpg)
12 - 14 March, 2024
Hotel Savoyen Vienna
Vienna, Austria
12 – 14 March 2024; Vienna, Austria
23 – 25 March 2022; Budapest, Hungary
26 – 28 March 2018; Strasbourg, France