Previous GECs Previous GECs June 27, 2023GEC23Athens, GreeceJune 27, 2023 June 16, 2022GEC22Thessaloniki, GreeceJune 16, 2022 June 16, 2022GEC21VirtuallyJune 16, 2022 June 12, 2020GEC20VirtuallyJune 12, 2020 June 7, 2019GEC19 Athens, GreeceJune 7, 2019
