Shiva Purana
लवणेक्षुरसौ सर्पिर्दविदुग्धजलाशयाः॥ जम्बुद्वीपस्समस्तानामेतेषां मध्यतः स्थितः ॥ ३ ॥
The seven oceans are salt sea, sugarcane juice sea, wine sea, ghee sea, curd sea, milk sea and pure water sea. Jambū Dvīpa is situated in the middle of all these.
english translation
lavaNekSurasau sarpirdavidugdhajalAzayAH॥ jambudvIpassamastAnAmeteSAM madhyataH sthitaH ॥ 3 ॥
hk transliteration by Sanscript