Flag of BangladeshNaturalInscribed 1997

Bangladesh

The Sundarbans is a UNESCO World Heritage Site (Natural) located in Bangladesh, inscribed in 1997, spanning 139,500 hectares.

About This Site

The Sundarbans mangrove forest, one of the largest such forests in the world (140,000 ha), lies on the delta of the Ganges, Brahmaputra and Meghna rivers on the Bay of Bengal. It is adjacent to the border of India’s Sundarbans World Heritage site inscribed in 1987. The site is intersected by a complex network of tidal waterways, mudflats and small islands of salt-tolerant mangrove forests, and presents an excellent example of ongoing ecological processes. The area is known for its wide range of fauna, including 260 bird species, the Bengal tiger and other threatened species such as the estuarine crocodile and the Indian python.
CategoryNatural
Date Inscribed1997
Area139,500 ha
Natural Criterian9, n10
LocationBangladesh

Location & Geography

Coordinates

Latitude: 21.9500000, Longitude: 89.1833300

Inscription Justification

Brief synthesis The Sundarbans Reserve Forest (SRF), located in the south-west of Bangladesh between the river Baleswar in the East and the Harinbanga in the West, adjoining to the Bay of Bengal, is the largest contiguous mangrove forest in the world. Lying between latitude 21° 27′ 30″ and 22° 30′ 00″ North and longitude 89° 02′ 00″ and 90° 00′ 00″ East and with a total area of 10,000 km2, 60% of the property lies in Bangladesh and the rest in India. The land area, including exposed sandbars, occupies 414,259 ha (70%) with water bodies covering 187,413 ha (30%). The three wildlife sanctuaries in the south cover an area of 139,700 ha and are considered core breeding areas for a number of endangered species. Situated in a unique bioclimatic zone within a typical geographical situation in the coastal region of the Bay of Bengal, it is a landmark of ancient heritage of mythological and historical events. Bestowed with magnificent scenic beauty and natural resources, it is internationally recognized for its high biodiversity of mangrove flora and fauna both on land and water. The immense tidal mangrove forests of Bangladeshs’ Sundarbans Forest Reserve, is in reality a mosaic of islands of different shapes and sizes, perennially washed by brackish water shrilling in and around the endless and mind-boggling labyrinths of water channels. The site supports exceptional biodiversity in its terrestrial, aquatic and marine habitats; ranging from micro to macro flora and fauna. The…

Frequently Asked Questions

Where is The Sundarbans located?

The Sundarbans is located in Bangladesh.

When was The Sundarbans inscribed as a World Heritage Site?

The Sundarbans was inscribed by UNESCO in 1997.

What criteria does The Sundarbans meet?

The Sundarbans meets the following UNESCO criteria: n9, n10.

How large is The Sundarbans?

The Sundarbans spans approximately 139,500 hectares.

Data Source: UNESCO World Heritage Convention · Last updated: April 2026

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