The Geographical Dictionary of Ancient and Mediaeval India c5.s6.39

c5.s6.39

Hiraṇyapura—Herdoun or Hindaun in the Jeypur state, seventy-one miles to the south-west of Agra, where Viṣṇu is said to have incarnated as Nṛisiṃha Dev and killed Hiraṇyakaśipu, the father of Prahlâda (*Padma P.*, Srishti, ch. 6). But see Mulasthânapura.