Doaba, also known as Bist Doab or the Jalandhar Doab, is the region of Punjab, India that lies between the Beas River and the Sutlej River. People of this region are given the demonym "Doabia". The dialect of Punjabi spoken in Doaba is called "Doabi". The term "Doaba" or "Doab" is derived from Persian دو آب meaning "land of two rivers". The river Sutlej separates Doaba from the Malwa region to its south and the river Beas separates Doaba from the Majha region to its north.

Majha is a region located in the central parts of the historical Punjab region split between India and Pakistan. It extends north from the right banks of the river Beas, and reaches as far north as the river Jhelum. People of the Majha region are given the demonym "Mājhī" or "Majhail". Most inhabitants of the region speak the Majhi dialect, which is the basis of the standard register of the Punjabi language. The most populous city in the area is Lahore on the Pakistani side, and Amritsar on the Indian side of the border.