The Sixth Group, also known as G6, is a sub-regional cooperation organization consisting of six member states in the Mekong River basin, including China, Myanmar, Thailand, Laos, Cambodia, and Vietnam. The organization was established in 2015 with the aim of promoting regional economic development and enhancing cooperation in various fields, including connectivity, agriculture, environment, and water resources management. The G6 countries are all important players in the region and the organization has played a significant role in promoting regional stability and prosperity.