'Dhanwar, also known as Rajdhanwar due to it being an erstwhile state under Maharaja Maheshwari prasad narayan deo,is a nagar panchayat in the Dhanwar CD block in the Khori Mahua subdivision of the Giridih district in the Indian state of Jharkhand.

This town is very famous for Hindu verdict festival Chhath puja in Jharkhand state.

One of its administrative subdivisions Khori Mahuwa comprises five blocks such as Rajdhanwar, Jamua, Gawan, Tisri, and Deori.

Giridih district is a part of the Chota Nagpur plateau, with rocky soil and extensive forests.

[5] According to the British records, the police station was established after Giridh subdivision formation came into existence in 1870.

Among the civic amenities, it had 14 km roads with both open and closed drains, the protected water supply involved tapwater from treated sources, uncovered well, overhead tank.

The main contributions to its business are made through the sale of grains, Manihari goods, food products, cloth, jewelry, and metals.

[citation needed] 29 Kms away from Grand Cord Railway Line (Hazaribag Road).

In Higher education With the efforts of local residents, Adarsh College was established at Rajdanwar in 1973, under the leadership of the former MLA & freedom fighter, Lt. Punit Roy on land donated by late Sureshwari prasad narayan deo freedom fighter and descendent of erstwhile royal family of dhanwar.It offers bachelor's courses in arts, science and commerce.

Raja Mandir and kali manda which was constructed by maharaja Maheswari prasad narayan deo near Raj ghat.

Gaytri Mandir, Ganesh Manadap and many others situated inside the Dhanwar market.

Hanuman Mandir- it is situated at Bada Chowk (cinema road) 3 km from Dhanwar station.

Shanidev Naugraha Mandir - It has recently built the only temple of Shani dev in the whole district.

This town is very famous for Hindu festival Chhath puja in Jharkhand state.

During chhath puja, around 4 lakh people visit Dhanwar chath ghat during the festival.

Every single Road and street is filled with colourful lights, decorated, clean and full of devotion.