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 is comprised of six sub-districts ("Upazilas"): Feni, Chhagalnaiya, Parshuram, Fulgazi, Daganbhuiyan and Sonagazi.

Before becoming a full-fledged district in 1984, it was part of the Noakhali district. Feni has a moderate climate, and a rich history dating back almost 3000 years. Feni is home to many noted Bangladeshis, including Begum Khaleda Zia, Prime Minister of Bangladesh (1991-1996 and 2001-present), Zahir Raihan, Shahidullah Kaisar, Habibullah Bahar Chowdhury, Hamidul Haque Chodhury. It has a large contingent of its population residing in the Middle East and other parts of the world. Recently, a Feni native, Abul Kashem, was in the news when he was captured by Iraqi insurgents while driving a truck for a Kuwaiti company. He was subsequently released without any harm.

The main highway of Bangladesh, Dhaka-Chittagong inter-district highway passes through Feni. Busses usually take 3-4 hours to traverse the 165 KM distance from Dhaka and around 2.5 hours from Chittagong. Panaromic landscape comprising of the Tripura valley, Feni river estuarine and green paddy fields add to Feni district's scenic beauty.