The Jamunia River is a tributary of the Damodar River

Damodar River

Damodar River originates near Chandwa village, Palamau district, on the Chota Nagpur Plateau in the Jharkhand state in eastern India, and flows eastward for about 592 km through the states of Jharkhand and West Bengal to the estaury of the River Hooghly...

. It flows through the Hazaribagh

Hazaribagh District

Hazaribagh district is one of the twenty-four districts of Jharkhand state, India, and Hazaribagh town is the district headquarters. It is currently a part of the Red Corridor.-Etymology:The district is named after its headquarters, the town of Hazaribagh...

, Giridih

Giridih District

Giridih district is one of the twenty-four districts of Jharkhand state, India, and Giridih is the administrative headquarters of this district. As of 2011 it is the third most populous district of Jharkhand , after Ranchi and Dhanbad.-History:...

, Bokaro

Bokaro District

Bokaro district is one of the twenty-four districts of Jharkhand state, India. It was established in 1991 by carving out one subdivision consisting of two blocks from Dhanbad District and six blocks from Giridih District. Bokaro Steel City is the district headquarters...

 and Dhanbad

Dhanbad District

Dhanbad district is one of the twenty-four districts of Jharkhand state, India, and Dhanbad is the administrative headquarters of this district...

 districts in the India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

n state

States and territories of India

India is a federal union of states comprising twenty-eight states and seven union territories. The states and territories are further subdivided into districts and so on.-List of states and territories:...

 of Jharkhand

Jharkhand

Jharkhand is a state in eastern India. It was carved out of the southern part of Bihar on 15 November 2000. Jharkhand shares its border with the states of Bihar to the north, Uttar Pradesh and Chhattisgarh to the west, Orissa to the south, and West Bengal to the east...

.

Course

The Jamunia River rises on the Hazaribagh plateau, near Bishungarh. It runs near the Grand Trunk Road

Grand Trunk Road

The Grand Trunk Road also formerly known as Uttarapatha, Shah Rah-e-Azam or Sadak-e-Azam or Badshahi Sadak is one of South Asia's oldest and longest major roads...

 from around Bagodar to past Dumri and then turns south, forms the border between Dhanbad and Bokaro districts and joins the Damodar.