Verified
Largest contiguous mangrove forest on Earth
About 10,000 km² of tidal mangrove, of which roughly 60% lies inside Bangladesh.
- Record holder
- The Sundarbans
- Khulna, Bagerhat & Satkhira · Khulna
The Registry
Officially adjudicated achievements across every category.
Category
Location
Verified
Longest natural unbroken sandy sea beach
An uninterrupted 120-kilometre stretch of sand from Cox's Bazar town to Teknaf.
- Record holder
- Cox's Bazar sea beach
- Cox's Bazar to Teknaf · Chattogram
Verified
Largest river delta on Earth
Roughly 100,000 km² of silt built by three great rivers, with most of it inside Bangladesh.
- Record holder
- The Ganges–Brahmaputra–Meghna delta
- Bay of Bengal coast · Barishal
Verified
Most densely populated city
About 45,700 people per square kilometre, according to 2017 Demographia figures.
- Record holder
- Dhaka
- Dhaka · Dhaka