Thái Bình river system

The Thái Bình river system is one of the two major river systems in the Red River Delta, Vietnam; the other one is the Red River system.{{Cite thesis |last=Hoang |first=A. T. |title=Silk for silver: Dutch-Vietnamese relations, 1637-1700 |date=2006 |access-date=22 March 2025 |degree=PhD |publisher=Universiteit Leiden |url=https://scholarlypublications.universiteitleiden.nl/handle/1887/5425 |page=37 |chapter=Chapter 2: Economic Background}} Both split from the Red River in the Hưng Yên province. The system consists of 8 rivers flowing in northern Vietnam.{{Citation needed|date=March 2025}} This system joining with Red River system creates the Red River Delta.{{Citation needed|date=March 2025}}

The part of it between Hưng Yên and the sea, in combination with the part of the Red River from Hanoi to Hưng Yên, was called the River of Tonkin by historical Dutch and English texts.