Pṛthivyāyāma-vistara (Extent and Divisions of the Earth) / पृथिव्यायामविस्तरः
तुहुण्डा बर्बराश्चैव षट्पुरा नैषधैः सह / अनूपास्तुण्डिकेराश्च वीतिहोत्रा ह्यवन्तयः
tuhuṇḍā barbarāścaiva ṣaṭpurā naiṣadhaiḥ saha / anūpāstuṇḍikerāśca vītihotrā hyavantayaḥ
Tuhunda, the Barbaras, and the Ṣaṭpuras together with the Naiṣadhas; likewise the Anūpas, Tuṇḍikeras, Vītihotras, and the Avantis—these are all named as janapadas.