Kaimur district is one of the 38 districts of Bihar, India. The district headquarters are at Bhabua. Before 1991, it was part of Rohtas District. Till 1764 the region (Kaimur district) was a part of Ghazipur District and was a part of Kamsaar Raj and later it was a part of Chainpur Estate till 1837. The district occupies an area of 3363 km2 and has a population of 1,626,384 () with the rank of 307th in the country. The district has a Literacy rate of 69.34% (392nd in the country). Kaimur district is a part of Patna division. It is the Western-southern district of Bihar, Western-southern point of Bihar called Chand is situated on the Bhabua–Chandauli road. The district has 18 colleges, 58 high schools, 146 middle schools, and 763 primary schools. The district has a total of 1699 villages. The district also has 120 post offices and 151 panchayat, and is well connected with NH-2(Grand trunk road). Which is accomplished by Bhabhua Road (BBU) railway station it is the main route which connects Sealdah to Mumbai via Gaya junction. The most spoken languages are Hindi and Bhojpuri. Due to its close proximity to eastern Uttar Pradesh, people here have Purvanchali tinge in their language. Kaimur district was established on 17 March 1991 when it was split off from Rohtas district. It was called Bhabua district until 1994, when it was renamed to its current name. The earliest evidence of human habitation in the district consists of rock paintings in the Lehda forest that date to around 20,000 years ago. In June 2012, erotic Pala sculptures were excavated in the village of Baidyanath. It is currently a part of the Red Corridor. In the other side it is associated with belief of Hindus it is Penitential of Atri (Sanskrit: अत्रि) or Attri Rishi & one of the oldest temple in India of Ma Mundeswari which is the part of attraction of tourism. Kaimur district occupies an area of , comparatively equivalent to Russia's Vaygach Island. Geographically, the district can be divided into two parts viz. (i) Hilly area and (ii) Plain area.