Quad
Quadrilateral Security Dialogue
Updated 7 November 2026
The Australia–India–Japan–US strategic dialogue, revived in 2017 — maritime security, technology and infrastructure coordination across the Indo-Pacific.
Key facts
- Founded
- 2007
- Headquarters
- No permanent headquarters
- Members
- 4 states
- Last summit
- 21 September 2024Wilmington, Delaware, United States
- The UAE
- Not a member
- UAE trade with members (2025)
- $199.7 billion