Canto 3 -
Araṇya-kāṇḍa
Chapter 47: Rāvaṇa Reveals his Identity to Sītā
Text 3.47.28
लङ्का नाम समुद्रस्य मध्ये मम महापुरी।
सागरेण परिक्षिप्ता निविष्टा नगमूर्धनि॥
laṅkā nāma samudrasya madhye mama mahā-purī
sāgareṇa parikṣiptā niviṣṭā naga-mūrdhani
laṅkā = Laṅkā; nāma = named; samudrasya = of the sea; madhye = in the midst; mama = my; mahā-purī = great city; sāgareṇa = by the ocean created by Sagara; parikṣiptā = is entirely surrounded; niviṣṭā = Placed; naga-mūrdhani = on a mountain peak.
Placed on a mountain peak in the midst of the sea, my great city named Laṅkā is entirely surrounded by the ocean created by Sagara.