Sonauli is located in Saran, Bihar India.

Sonauli is around 7 km from Mashrakh, a Division from Chapra District located in the state of Bihar. The nearest Railway station from Sonauli is Mashrakh, which is around 7 km away and is now well connected with Indian Railway Network. Mashrakh is connected with Chapra and Thawe.

 Edit by SK