Associates of our Institute had the great honor of hosting Dr. Mihailo Popović from the Institute for Medieval Research and his colleague Bernard Košiček-Krombholz from the Austrian Center for Digital Humanities of the Austrian Academy of Sciences (18 – 19. September). As part of the cooperation with our team gathered around the project “From Barbarians to Christians and Rhomaioi“, the guests presented their work on the OpenAtlas database system.