In its capacity as co-chair in 2025, Viet Nam worked closely with the RoK and the Mekong countries to maintain high-level exchanges, enhance the effectiveness of the Mekong–RoK Business Forum, organise the Mekong–RoK Forum for the first time to share project outcomes and implementation experience, and promote innovative solutions in water resource management through the third Mekong–RoK Water Forum.