Bangla is divided into two fairly distinct forms: sadhu basha, learned or formal language, and cholit basha, common language.Sadhu basha is the language of the literate tradition, formal essays and poetry, and the well educated.
The national anthem was taken from a poem by Nobel laureate Rabindranath Tagore and links a love of the natural realm and land with the national identity.
The language dates from well before the birth of Christ.
Bangla varies by region, and people may not understand the language of a person from another district.
Bangladesh straddles the Bay of Bengal in south Asia.
To the west and north it is bounded by India; to the southeast, it borders Myanmar.