Dhaka (Bengali: ঢাকা, pronounced [ɖʱaka]; /ˈdɑːkə/ DAH-kə or /ˈdækə/ DAK-ə) is the capital and largest city of Bangladesh. The name of the city was spelled as Dacca, which was an anglicisation name until the current spelling was adopted in 1983 to match with Bengali pronunciation. Located in an eponymous district and division, it lies along the east bank of the Buriganga River in the heart of the Bengal delta. The city is a microcosm of the entire country, with diverse religious and ethnic communities. Dhaka is the economic, cultural and political center of Bangladesh. It is a major financial center of South Asia. It is one of the world's most populated cities and within OIC countries, with a population of 18.89 million people in the Greater Dhaka Area., It is also the 4th most densely populated city in the world.