Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 7
Sanskrit:
स वै पूर्वमभूद् राजा पाण्ड्यो द्रविडसत्तम: ।इन्द्रद्युम्न इति ख्यातो विष्णुव्रतपरायण: ॥ ७ ॥
ITRANS:
sa vai pūrvam abhūd rājāpāṇḍyo draviḍa-sattamaḥindradyumna iti khyātoviṣṇu-vrata-parāyaṇaḥ
Translation:
This Gajendra had formerly been a Vaiṣṇava and the king of the country known as Pāṇḍya, which is in the province of Draviḍa [South India]. In his previous life, he was known as Indradyumna Mahārāja.