Greece hosted the pan-European QCI Days Athens 2025 conference from April 28 to 30 at the Eugenides Foundation, held under the auspices of the Hellenic Ministry of Digital Governance. The event was co-organized by GRNET (HellasQCI coordinator), the Austrian Institute of Technology (QCI-CAT coordinator), and the Technical University of Madrid (EuroQCI Spain), according to the HellasQCI event summary.
Over 600 participants from 30 countries attended. During the event, a live interoperability demonstration connected a network of 15 nodes across 131 km of optical fiber, linking four Greek institutions: the National and Kapodistrian University of Athens, the National Technical University of Athens, NCSR Demokritos, and GRNET. A quantum-secure video conference connecting Greece, Austria, and Spain was also conducted for the first time.
Minister of Digital Governance Dimitris Papastergiou stated at the event that “quantum technologies are no longer abstract or undefined concepts” and that Greece regards quantum infrastructures “as both a priority and an opportunity.” The conference succeeded QKD Days Madrid 2022 and QCI Days Vienna 2024 in the annual series, as noted by GEANT.