Dhanwar is located at. It has an average elevation of 336 m. The town has a dam called "Naulakha Dam" and many people come here for picnics. One of its administrative subdivisions Khori Mahuwa comprises five blocks such as Rajdhanwar, Jamua, Gawan, Tisri, and Deori.
Police station
Dhanwar police station has its jurisdiction over Dhanwar CD block. According to the British records, the police station was established after Giridh subdivision formation came into existence in 1870.
CD Block HQ
The headquarters of Dhanwar CD Block are located at Dhanwar.
Demographics
As per 2011 Census of India, Dhanwar had a population of 18,000. There were 9500 males and 8,500 females. scheduled castes numbered 698 and scheduled tribes 6. As per 2001 India census, Dhanwar had a population of 7,935. Males constitute 51% of the population and females 49%. Dhanwar has an average literacy rate of 64%, higher than the national average of 59.5%. Male literacy is 73% while the female literacy is 55%. In Dhanwar, 16% of the population is under 6 years of age. census, the total number of literates in Dhanwar was 16,893 out of which 8763 were males and 8130 were females.
Transport
Dhanwar is on Bagodar -khori mahua State Highway. It is about 42 km from GT Road. Railway Rajdhanwar has a railway station at about 3 km from the centre of town. It is on Koderma-Giridih railway line.
Education
With the efforts of local residents, Adarsh College was established at Rajdanwar in 1973, under the leadership of the former MLA, Punit Roy. It offers bachelor's courses in arts, science and commerce.
- It is situated approximately 55 km from Giridih and 10 km from Rajdhanwar. "Jharkhand Dham" which is considered one of the second most worshipped temple of Shiva after Baidhnath Dham in Deoghar. Hanuman Mandir- it is situated at Bada Chowk 3 km from Dhanwar station. Shani dev Naugraha Mandir - It has recently built the only temple of Shani dev in the whole district. It is situated near the Rajghat. Nawadih Mandap - It is situated at Ruputola Nawadih.
Chhat Puja
This town is very famous for Hindu verdict festival Chhath puja in Jharkhand state. Every year, around 4 lakh people visit Dhanwar chath ghat called "Rajghat" during the festival. Decoration of Rajghat occurs at huge-level that fascinates the visitors.
Economy
Rajhanwar is a basic level business place. It has became a huge market place with millions of daily transactions. The main contributions to its business are made through the sale of food products, cloth, jewellery, and metals. Rajdhanwar is very famous for Silver ornaments and metals utensil. Electronic market is growing rapidly. V2 Shopping Mall is an only shopping mall in Dhanwar. Rajmani cinema hall is very old cinema theatre in Dhanwar.