Begusarai is a city and a municipal corporation]in Begusarai district in the state of Bihar, India. Begusarai district is one of the thirty-eight districts of Bihar and Begusarai city is the administrative headquarters of this district. It the fastest growing and developing city.The city lies on the northern bank of the Ganges river . It is located at latitudes 25.15N & 25.45N and longitudes 85.45E & 86.36E. Begusarai is the birthplace of famous Hindi poet Rashtrakavi Ramdhari Singh Dinkar and eminent historian Professor Ram Saran Sharma and politician Shri. Ramjeevan singh and shri bhola singh . Begusarai is known for its IOCL Barauni Oil Refinery , Barauni Thermal Power Station , Jaymangla gadh and kawar lake of Manjhaul village and several other Industries as Begusarai is known as Financial Capital of Bihar. Begusarai was formerly part of Munger district or Monghyr (as per British Ruler's official spelling) . The places in Begusarai which are most highlighted are Manjhaul , Bihat , Noorpur, Madhrapur, Teghra, Bachhawara, Deona, Barauni, Balia, Dira these places are considered as most powerful places of Begusarai District due to strong hold of Communist Party of India  Begusarai had traditionally been a communist stronghold and was earlier also referred to as the Leningrad of Bihar.