The Yong River is one of the main rivers in China, located in Ningbo

Ningbo

Ningbo is a seaport city of northeastern Zhejiang province, Eastern China. Holding sub-provincial administrative status, the municipality has a population of 7,605,700 inhabitants at the 2010 census whom 3,089,180 in the built up area made of 6 urban districts. It lies south of the Hangzhou Bay,...

, Zhejiang

Zhejiang

Zhejiang is an eastern coastal province of the People's Republic of China. The word Zhejiang was the old name of the Qiantang River, which passes through Hangzhou, the provincial capital...

 Province.
The name, Yong, comes from the city it flows through, Ningbo, which was also known as Yong in ancient times.
Yong River is formed by the convergence of two rivers, namely the Fenghua River, which flows through Fenghua

Fenghua

Fenghua is a county-level city in the north of Zhejiang province, China. It is under the jurisdiction of Ningbo prefecture-level city. The city and its administrative hinterlands has a population of over 480,000....

, Yuyao

Yuyao

Yuyao is a city in Zhejiang province, China, capital of Yuyao County, Ningbo. Administratively Yuyao is under the direct jurisdiction of Ningbo....

 and Cixi

Cixi City

Cixi is a city within the sub-provincial city of Ningbo located in China's Zhejiang province.- History :The city was captured by British forces in the Battle of Tsekee on 15 March 1842 during the First Opium War...

, and the Yao River, which passes through Shangyao

Shangyao

Shangyao is a township-level division situated in Huainan, Anhui, China....

 and Siming Mountains. It empties into the East China Sea

East China Sea

The East China Sea is a marginal sea east of China. It is a part of the Pacific Ocean and covers an area of 1,249,000 km² or 750,000 square miles.-Geography:...

 in Zhenhai District, Ningbo.