Gamharia experienced an Indian socialist revolution where the late Sri Tileswar Singh began his dramatically violent protests against the British in India.

It is about 45 km (28 mi) from Gaya, situated on Sher Shah Suri Marg (GT Road) between Kolkata and Delhi and is surrounded by the Kamaun range.

The Grand Trunk Road (NH-2) has undergone a revival through The Golden Quadrilateral project) crosses from Gamharia.

Sri Lankan Airlines, Drukair and Thai Airways connect Gaya to international destinations.

The most popular dishes include sattu, litti, pittha, pua, marua-ka-roti, bari-dal, sattu-ka-roti, baigan-bharta and sukhaota.