Jakarta officially the Special Capital Region of Jakarta , is the capital and largest city of Indonesia. Located on the northwest coast of the world's most populous island Java, it is the centre of economics, culture and politics of Indonesia, with a population of 10,075,310 as of 2014. Jakarta metropolitan area has an area of 6,392 square kilometers, which is known as Jabodetabek . It is the world's second largest urban agglomeration (after Tokyo) with a population of 30,214,303 as of 2010. Jakarta is predicted to reach 35.6 million people by 2030 to become the world's biggest megacity. Jakarta's business opportunities, as well as its potential to offer a higher standard of living, attract migrants from across the Indonesian archipelago, combining many communities and cultures.