| This article relies largely or entirely on a single source .(March 2025) | 
| Harsari | |
|---|---|
| Village | |
| Coordinates: 27°06′29″N84°27′50″E / 27.108°N 84.464°E | |
| Country |  India | 
| State | Bihar | 
| District | West Champaran district | 
| Languages | |
| • Official | Hindi,Bhojpuri | 
| Time zone | UTC+5:30 (IST) | 
| ISO 3166 code | IN-BR | 
Harsari is a village in West Champaran district in the Indian state of Bihar.
As of the 2011 census of India, Harsari had a population of 1718 in 289 households. Males constitute 51.39% of the population and females 48.6%. Harsari has an average literacy rate of 54%, lower than the national average of 74%: male literacy is 64.47%, and female literacy is 35.52%. In Harsari, 19.9% of the population is under 6 years of age. [1]