IDEF (International Defence Industry Fair) is one of the world’s leading and internationally recognized defense industry fairs. Hosted by Türkiye, this international exhibition brings together defense industry companies, military officials, experts, and other stakeholders in the defense sector, providing an opportunity to showcase innovative technologies and explore collaboration opportunities.

Organized under the management and responsibility of the Turkish Armed Forces Foundation, IDEF is held biennially. Since 1993, the fair has been organized regularly, serving as a significant platform for introducing the latest developments, products, and technologies in the defense industry.

The exhibition features a wide range of products and services, including naval, air, and land systems, military equipment, security devices, weapons, ammunition, and defense electronics. Participants include defense industry companies, military officials, defense industry experts, government representatives, media organizations, academics, and non-governmental organizations.