Vishnupurana 2.2.12

2.2.12

lakṣapramāṇo dvau madhyau daśahīnāstathāpare /
sahasradvitayocchrāyās tāvadvistāriṇaś ca te //

The boundary mountains (of the earth) are Himaván, Hemakút́a, and Nishadha, which lie south of Meru; and Níla, Śweta, and Śringí, which are situated to the north of it. The two central ranges (those next to Meru, or Nishadha and Níla) extend for a hundred thousand (Yojanas, running east and west). Each of the others diminishes ten thousand Yojanas, as it lies more remote from the centre. They are two thousand Yojanas in height, and as many in breadth. The Varshas or countries between these ranges are Bhárata (India), south of the Himaván mountains;