Champapuri, Champa Nagri or Champanager is a neighbourhood in Bhagalpur City in the Indian state of Bihar. It is the site of the ancient city of Champa, the capital of the Anga Mahajanapada.It is also the main centre of capital of cultural region of Anga.

Bhagalpur, historically known as Champa Nagri, is a city in the Indian state of Bihar, situated on the southern bank of the Ganges river. It is the third largest city of Bihar by population and also serves the headquarters of Bhagalpur district, Bhagalpur division & Eastern Range. It is known as the Silk City & also listed for development under the Smart Cities Mission by Government of India. It is the only district in Bihar after capital city Patna where three major higher educational institutions IIIT, TMBU & Agriculture University(BAU) are located and also Vikramshila Central University is under construction next to the ruins of ancient Vikramshila University. Bhagalpur Railway Station serves the city. The river around city is home to the Gangetic dolphin, the National Aquatic Animal of India, and the Vikramshila Gangetic Dolphin Sanctuary is established near the town. The city holds the largest Manasa Puja and one of the largest processions in Kali Puja, an intangible cultural heritage of the region.