The Ma River ( vi, Sông Mã, links=no, Lao: ''ນ້ຳມ້າ / Nam Ma'') is a river in

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an are ...

, originating in northwestern

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

. It flows 400km through Vietnam, Laos, and then back through Vietnam, meeting the sea at the Gulf of Tonkin. The largest tributaries of the Ma River are the

Chu River The Chu (Shu or Chüy) ( kk, Шу, Shu, شۋ; ky, Чүй, Chüy, چۉي; dng, Чў, Chwu (from , ''Chǔ''); russian: Чу, Chu) is a river in Northern Kyrgyzstan and Southern Kazakhstan. Of its total length of ,Thanh Hóa Province in North Central Vietnam. The Ma River creates the Ma River Delta (also called the Thanh Hóa Delta), the third largest in Vietnam. The Ma River Delta used to be near Vietnam's southern frontier. It was the center of Cuu-Chan, the southern of the Vietnam's two prefectures under the rule of the

Nanyue Nanyue (), was an ancient kingdom ruled by Chinese monarchs of the Zhao family that covered the modern Chinese subdivisions of Guangdong, Guangxi, Hainan, Hong Kong, Macau, southern Fujian and central to northern Vietnam. Nanyue was establis ...

in the 2nd century BC.Taylor, Keith Weller, "The Birth of Vietnam". University of California Press, 1983. p. 26

References

Rivers of Điện Biên province Rivers of Sơn La province Rivers of Thanh Hóa province Rivers of Laos International rivers of Asia Rivers of Vietnam {{Vietnam-river-stub