Mustafa Varank, the Turkish industry and technology minister, said nearly 600,000 people applied to be a part of the event's contests, and 5,252 teams advanced to final phases.
The winners will be awarded with 10 million Turkish liras ($550,000) in total, he added.
Varank said their efforts are important for Türkiye's technologic development and future.
Ismail Demir, the head of Türkiye's Defense Industries' Presidency, said countries cannot be powerful in the defense field without advancements in technology.
The attendees are transferred to the event from the city center by domestically-manufactured electric buses.
Last year, the event was held at Istanbul's Ataturk Airport, while its first international version was held in Baku, Azerbaijan this May.
