Pirojpur district was formed in 1984 and the municipality was formed in 1886 .
The subdivision ( then , a mohokooma , now a zila ) of Pirojpur was created in 1866 .
Pirojpur   was formed in 1984 and the municipality was formed in 1886 .
The subdivision ( then , a mohokooma , now a zila ) of Pirojpur was created in 1866 .