Mahishi is a village situated in the Saharsa district of northern Bihar.
It is 16 kilometers west of the Saharsa district headquarters and 8 kilometers west of Bangaon, Bihar.
It is place of utmost religious importance due to Shaktipeeth of Goddess Ugratara.
People of the village speak Maithili.
The western Kosi embankment is only a few hundred meters away.