Bangladesh is a country in Southern Asia and is located on the Bay of Bengal bordered by India on all sides except for a small border with Burma. Bangladesh has flat plains, and most of the country is situated on deltas of large rivers flowing from the Himalayas. The government system is parliamentary democracy; the chief of state is the president, and the head of government is the prime minister. Bangladesh has a traditional economic system in which the allocation of available resources is made on the basis of inheritance and primitive methods. Bangladesh is a member of the Asia-Pacific Trade Agreement (APTA) and the South Asian Association for Regional Cooperation (SAARC).