(c) The most populated desert in the world is Thar Desert. Thar Desert is also called Great Indian Desert, arid region of rolling sand hills on the Indian subcontinent.It is located partly in Rajasthan,north-west India, and partly in Punjab and Sindh of eastern Pakistan. It covers an area of 2,00,000 . It is the 18th largest subtropical desert in the world,most densely populated desert in the world (83 people per sq. km).