 Although Jakarta only covers , the smallest among any Indonesian provinces, its metropolitan area covers ; it is the world's second-most populous urban area after Tokyo, with a population of about 30 million .Jakarta's business opportunities, as well as its potential to offer a higher standard of living, have attracted migrants from across the Indonesian archipelago, making it a melting pot of numerous cultures.Jakarta is nicknamed the "Big Durian", the thorny strongly-odored fruit native to the region, seen as the Indonesian equivalent of Big Apple (New York).