Bangladesh ( বাংলাদেশ, "The land of Bengal"), formally the People's Republic of Asian country (গণপ্রজাতন্ত্রী বাংলাদেশ Gônôprôjatôntri Bangladesh), is a country in South Asia, bordered by India and Myanmar, at the apex of the Bay of Bengal. It is separated from Nepal and Bhutan by the narrow Siliguri Corridor. It is the world's eighth most populous country and the ninety-second largest country by area, making it one of the most densely populated nations on Earth. The majority of the population are Muslims, followed by Hindus, with diverse Buddhist and Christian communities. The official language is Bengali, which is also spoken in the neighboring Indian states of West Bengal and Tripura. Dominated by the fertile Bengal delta, Bangladesh is rich in biodiversity and is home to the world's largest mangrove forest, a mountainous east and a 600 km (370 mi) coastline that has one of the world's longest beaches.