NANAGU´NA(Ναναγούνας, Ptol. 7.1. §§ 7, 32, 36), a considerable river of Western India, which rises, like the Nerbudda, in the Vindhya Mountains, and flows into the Indian Ocean to the S. of the former river, not far from Surat. Its present name is the Tapatior Tapti. (Lassen, Ind. Alterth. vol. 1. p. 88. [V]