| This article relies largely or entirely on a single source .(March 2025) | 
| Bairia | |
|---|---|
| Village | |
| Coordinates: 27°08′02″N84°39′33″E / 27.1339°N 84.6593°E | |
| Country |  India | 
| State | Bihar | 
| District | West Champaran district | 
| Government | |
| • Type | Panchayati raj (India) | 
| • Body | Gram panchayat | 
| Languages | |
| • Official | Hindi | 
| Time zone | UTC+5:30 (IST) | 
| ISO 3166 code | IN-BR | 
Bairia is a village in Mainatanr block, West Champaran district in the Indian state of Bihar.
As of the 2011 census of India, Bairia had a population of 512 in 76 households. [1]