Why should you visit DSEI Japan? I Visit DSEI Japan 2027

DSEI Japan provides the greatest opportunity for the global defence industry to meet the Japanese defence community, supporting the sourcing of the latest equipment and systems, developing international relationships and generating new business opportunities and partnerships between Japan and the world.

The second edition of DSEI Japan took place on 21-23 May 2025, with 400+ exhibitors from across the globe. The event offered a range of high-level conferences, seminars and bilateral meetings featuring world-class speakers.

470+ Exhibiting Companies

Meet with hundreds of Japanese and international exhibitors who will be exhibiting cutting-edge technology and live product demonstrations.

13,000+ Attendees

Over 13,000 attendees from across the globe attended the third edition of DSEI Japan, including 1137 VIPs.

Networking

You will have unprecedented networking opportunities, which will allow you to establish new partnerships in the Indo-Pacific region.

High-level Conference

Access to the three-day conference allows visitors to benefit from a high-level programme which outlines the future plans and needs of the region.

Supported By

DSEI Japan 2019-2025 was supported by the Japanese Ministry of Defense, the Ministry of Foreign Affairs of Japan, the Japanese Ministry of Economy, Trade and Industry, and ATLA, demonstrating Japan's commitment to the Japanese industry's growth.