| 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 |