Mahadeo Simaria is a village in Jamui district of Bihar State, India.

It is located 11.9 kilometres (7.4 mi) from district headquarter Jamui and 165 kilometres (103 mi) from state capital Patna.

Shiva is called Mahadeo, so the village was named Mahadeo Simaria.

The village was a part of " Gidhaur " Kingdom.

This article related to a location in Bihar is a stub.