Shiva Purana
तस्य विस्तारमाख्यातं पृथोर्वेन्यस्य शौनक॥ महर्ध्ये तदधिष्ठानं पुराणे परिकीर्तितम्॥ ३१॥
O Śaunaka, the details of Pṛthu the son of Vena have been narrated to you. This base is glorified as the most ancient spot of great prosperity.
english translation
tasya vistAramAkhyAtaM pRthorvenyasya zaunaka॥ mahardhye tadadhiSThAnaM purANe parikIrtitam॥ 31॥
hk transliteration by Sanscript