Isadhara (Skt. Īṣādhara; Tib. shol da dzin; Wyl. gshol mda' 'dzin) 伊沙陀羅 One of the seven ranges of mountains round Sineru It is the abode of deva kings and of devas and yakkhas (SnA.ii.443; Sp.i.119; Dvy.217). It is higher than Karavika, and between these two is a Sidantara samudda; next to Isadhara and higher than it is Yugandhara, and between them is another Sidantara samudda (J.vi.125).
The Mahavastu (ii.300) calls it Isandhara (suggesting its probable etymology)