Traditional Champapuri, Champa Nagri or Champanagar is a neighbourhood in Bhagalpur in the Indian state of Bihar.

[4][5][6] Teerthankara Adinath divided the country into 52 Janapadas; of these one was Anga and its capital was The chief pupil - Pattadhara of Tirthankara Mahavir Sudharmaswami and Jambuswami also came here.The fervent devotees of Shri Mahavira - Shravaka Kamadeva, Sudarshan Sheth, emperor Shripala and Satee Chandanbala were also born here.

[7] According to Aupapatika Sutra (c. 1st-2nd century CE)[8][9] forms part of the 12 Jain upanga āgamas as per Śvetāmbara tradition, a holy garden Purnabhadra Chaitya was situated to the north-east of this ancient city.

[11] The ancient city had an occupation of the Northern Black Polished Ware culture (700-200 BCE), with a surrounding fortification and moat.

[13] In 2014, the tallest statue of Bhagawan Vasupujya was built and donated by Smt Sona Devi Sethi Charitable Trust based at Dimapur, Nagaland.