The alluvial delta in southern Vietnam formed by the Mekong River, known for its significant rice production.

Greater Mekong Subregion (GMS); an area of economic cooperation encompassing countries along the Mekong River, including Cambodia, Laos, Myanmar, Thailand, Vietnam, and parts of China

Greater Mekong Subregion Economic Cooperation (GMS); a regional economic cooperation program involving Cambodia, Laos, Myanmar, Thailand, Vietnam, and the Yunnan Province and Guangxi Zhuang Autonomous Region of China