A Doab, meaning "two waters" or "two rivers" in Persian, is a term used in India and Pakistan for a "tongue" or tract of land lying between two confluent rivers. In Pakistan and Northern India The Punjab region Each of the tracts of land lying between the confluent rivers of the Punjab region of Pakistan and India (the Indus basin) has a distinct name, said to have been coined by Raja Todar Mal, a minister of the Mughal emperor Akbar. The names (except for 'Sindh Sagar') are a combination of… (More on Doab)