| Anga | Champa | Bhagalpur, Bihar |
| Magadha | Rajagriha (later Pataliputra) | South Bihar |
| Vajji | Vaishali | North Bihar |
| Malla | Kusinara & Pava | Eastern Uttar Pradesh |
| Kasi | Varanasi | Eastern Uttar Pradesh |
| Kosala | Shravasti (earlier Ayodhya) | Eastern Uttar Pradesh |
| Vatsa | Kausambi | Near Allahabad (Prayagraj), Uttar Pradesh |
| Chedi | Suktimati | Bundelkhand region (Madhya Pradesh) |
| Kuru | Indraprastha (Delhi) | Delhi & Haryana |
| Panchala | Ahichhatra (North), Kampilya (South) | Western Uttar Pradesh |
| Matsya | Viratanagara | Alwar region, Rajasthan |
| Surasena | Mathura | Western Uttar Pradesh |
| Assaka (Asmaka) | Potana | Telangana / Maharashtra region (Godavari valley) |
| Avanti | Ujjayini (West), Mahishmati (South) | Western Madhya Pradesh |
| Gandhara | Taxila | Rawalpindi district, Pakistan |
| Kamboja | Rajapura | Eastern Afghanistan / Western Pakistan |