Valmiki Ramayana Sundara Kanda Sarga 65 Shloka 9
Original Shlokaतत्र लङ्केति नगरी रावणस्य दुरात्मनः।।5.65.9।। दक्षिणस्य समुद्रस्य तीरे वसति दक्षिणे।
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तत्र there, दक्षिणस्य समुद्रस्य on the southern side of the sea, दक्षिणे तीरे of the southern shore, दुरात्मनः evilminded, रावणस्य Ravana's, लङ्केति in Lanka, नगरी city, वसति there is.
"On the southern shore of the ocean is situated the city of Lanka , ruled by the evilminded Ravana.