Mahasthangarh (
Môhasthangôṛ) is one of the earliest urban archaeological sites so far discovered in
Bangladesh. The village Mahasthan in
Shibganj thana of
Bogra District contains the remains of an ancient city which was called Pundranagara or Paundravardhanapura in the territory of
Pundravardhana. A
limestone slab bearing six lines in
Prakrit in
Brahmi script, discovered in 1931, dates Mahasthangarh to at least the 3rd century BC. The fortified area was in use till the 18th century AD.