Feni is a small southern district of Bangladesh, bordering (clockwise from the north) Tripura in India, Chittagong district, the Bay of Bengal, Noakhali district and Comilla district. It comprises six sub-districts ('Upazilas'): Feni Sadar, Chhagalnaiya, Porshuram, Fulgazi (variant of Phool Ghazi), (...) (from Wikipedia)