Dharavi is a residential area in Mumbai, Maharashtra, India. It is considered India's largest slum and the world's third largest slum, after Pakistan's Orangi, Karachi and Mexico's Ciudad Neza, Mexico City. and a population of about 700,000 to 1,000,000. With a population density of over 277,136/km², Dharavi is one of the most densely populated area…Dharavi is a residential area in Mumbai, Maharashtra, India. It is considered India's largest slum and the world's third largest slum, after Pakistan's Orangi, Karachi and Mexico's Ciudad Neza, Mexico City. and a population of about 700,000 to 1,000,000. With a population density of over 277,136/km², Dharavi is one of the most densely populated areas in the world.