six-party talks
Refers specifically to the multilateral negotiations aimed at resolving the North Korean nuclear issue, involving China, Japan, North Korea, South Korea, Russia, and the United States.
The six-party talks are a framework for discussing North Korea's nuclear issue.
The first six-party talks were held in Beijing in 2003.
Compound of 六 (six) + 者 (parties) + 会合 (meeting).