Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Nandigāma
Nandigāma:A village,evidently near Kacchakatittha,on the Mahāvālukanadī (MT.472).There was once a Damila stronghold there,guarded by Nandika.Dutthagāmanī killed Nandika and captured the fort (Mhv.xxv.14).Later,Subha erected a vihāra there (Ibid.,xxxv.58.).
The stronghold is also mentioned in the account of the campaigns of Parakkamabāhu I.Cv.lxxii.44.