Basarh, identified as the ancient Vaishali (Bihār). Satellite view (Wikimapia).

File:N-BR-69 Raja Vishal Garh (10).jpg

Basarh, excavated area (Wikicommons).

Seals excavated at Basarh, Archaeological Survey of India, Annual Report, 1903-04 (Zenodo). The seal top left (no. 14) is that of Ghaṭotkacagupta.