International official delegations from Europe, the Balkans, the Middle East, Africa, and the wider Eastern Mediterranean region are invited to DEFEA by the hierarchy of the Ministry of Defence and the General Staff, the Heads of Security Forces as well as the Organizers.
In 2023, DEFEA hosted 55 official delegations, comprising high-ranking political and military leaders, invited by the Hellenic Ministry of National Defence.
Looking ahead to 2025, DEFEA aims to welcome over 300 invited official delegations from 68 countries, including ministers, deputy ministers, chiefs of defence, senior procurement officials, heads of security forces, and representatives of defence associations.