- 湄公河三角洲 Méigōnghé Sānjiǎozhōu Mekong River Delta
- 大湄公河次区域 Dà Méigōnghécìqūyù Greater Mekong SubregionGreater Mekong Subregion (GMS), area of economic cooperation between China and Vietnam
- 大湄公河次区域合作 Dà Méigōnghécìqūyùhézuò GMS cooperationGreater Mekong Subregion (GMS), economic cooperation program between nations including China and Vietnam