Poet Shabrid Kha (Bangla-সাবরিদ খাঁ) had given the name Nanupur to respect his grandfather Nanuraza Khan Mollik.
As of 1991 Bangladesh census, Nanupur union has a population of 5,846 and house units 449.
Its situated in central of Nanupur Village.
Its previous name Kali Munshir Hat.
Khiram is known as commercial village in union.