Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Pañcanadī
Pañcanadī:In several places in the texts five rivers are mentioned as the five great rivers of India,and they are used in various similes and metaphors.These rivers are:
Gangā, Yamunā, Aciravatī, Sarabhū and Mahī.E.g.,Vin.ii.239; A.iv.101; S.ii.135; Ud.v.4; also Mil.380.