Mairwa, situated in the western part of the State, was originally a block of Siwan District, approximately 20 km away from siwan which in ancient days formed a part of Kosala Kingdom. which is geographically situated at 25º35 North and 84º1 to 84º20 east. Mairwa is bounded on the east by the Siwan district headquarters, on the north by Gopalganj district and on the west and south by two districts of U.P. viz. Deoria and Balia respectively.
School and college
Hari Ram High School
Hari Ram College
Govt. Middle School
Town High School
Kanya High School
Project High School
I.T.I College, Mairwa
HariRam Public School, Mairwa-Dham
M.S. College
SAHIL Computer Institute (Near Society Complex ,Majhuli Road Mairwa)