Bangladesh forms the largest and easternmost part of the Bengal region.14 Bangladeshis include people from a range of ethnic groups and religions. Bengalis, who speak the official Bengali language, make up 98% of the population.23 The politically dominant Bengali Muslims make the nation the world’s third largest Muslim-majority country.
Most of Bangladesh is covered by the Bengal delta, the largest delta on Earth. The country has 700 rivers and 8,046 km (5,000 miles) of inland waterways. Highlands with evergreen forests are found in the northeastern and southeastern regions of the country. Bangladesh has many islands and a coral reef. The longest unbroken sea beach, Cox’s Bazar Beach is located here. It is home to the Sundarbans, the largest mangrove forest in the world. The country’s biodiversity includes a vast array of plant and wildlife, including endangered Bengal tigers, the national animal.