1:-The history of ancient India the per-mauryan periodthe territory was divided into sixteen states.
The kingdoms are called Sodasha Mahajanapadas.
2:-The states was two types monarchical or republican form of government.
3:-Buddhist literature Angalltfara Nikaya and Jain literature Bhagaevati sutta present a list of Sodasha Mahajanapadas.But between of two books some kingdom name is different.
4:-The Buddhist literature Anglltfara Nikaya list the following states.
5:-The most of the 16 Mahajanapadas were located in Bihar, Uttar Pradesh and Central India.
6:-One Mahajanapada was located in South India.
SIRIOL NO :-1
MAHAJANAPADA'S NAME :- Vatsa
DISTRICTS OF MAHAJANAPADA'S :- On the banks of the Jamuna rivers.-Allahabad, Mirzapur in U.p
CAPITAL NAME :- Kausambi
SIRIOL NO :-2
MAHAJANAPADA'S NAME :- Avanti
DISTRICTS OF MAHAJANAPADA'S :- Malwa, Nimar and part of Madhya Pradesh. The river Verravati divided Avanti into north and south.
CAPITAL NAME :- North Avanti->Ujjayini && South Avanti->Mahishmati
SIRIOL NO :-3
MAHAJANAPADA'S NAME :- Anga
DISTRICTS OF MAHAJANAPADA'S :- Munger, Bhagalpur in Bihar
CAPITAL NAME :- Champanagari
SIRIOL NO :-4
MAHAJANAPADA'S NAME :- Vajji
DISTRICTS OF MAHAJANAPADA'S :- Muzaffarpur, Vaishali in Bihar
CAPITAL NAME :- Vaishali
SIRIOL NO :-5
MAHAJANAPADA'S NAME :- Magadha
DISTRICTS OF MAHAJANAPADA'S :- Patna, Gaya, Nalanda in Bihar
CAPITAL NAME :- Girivraj, Rajgriha(Kings of Bimbisara),patliputra(Kings of Udayin),Vaishali(Kings of Shishunaga),Patliputra(Kings of Kalashok)
SIRIOL NO :-6
MAHAJANAPADA'S NAME :- Kashi
DISTRICTS OF MAHAJANAPADA'S :- Varanasi in U.P
CAPITAL NAME :- Varanasi
SIRIOL NO :-7
MAHAJANAPADA'S NAME :- Kosala
DISTRICTS OF MAHAJANAPADA'S :- Faizabad, Gonda, Bahraich in U.P
CAPITAL NAME :- Sravasti
SIRIOL NO :-8
MAHAJANAPADA'S NAME :- Malla
DISTRICTS OF MAHAJANAPADA'S :- Deoria, Basti, Gorakhpur, Siddharthnagar in U.P
CAPITAL NAME :- Kuishinara , Pawa
SIRIOL NO :-9
MAHAJANAPADA'S NAME :- Chedi
DISTRICTS OF MAHAJANAPADA'S :- Bundelkhand area
CAPITAL NAME :- Shaktimati
SIRIOL NO :-10
MAHAJANAPADA'S NAME :- Kuru
DISTRICTS OF MAHAJANAPADA'S :- Haryana+Delhi area
CAPITAL NAME :- Indraprastha
SIRIOL NO :-11
MAHAJANAPADA'S NAME :- Panchala
DISTRICTS OF MAHAJANAPADA'S :- Ruhelkhand, Western U.P
CAPITAL NAME :- North Panchal->Ahichhatra && South Panchal->Kampilya
SIRIOL NO :-12
MAHAJANAPADA'S NAME :- Matsya
DISTRICTS OF MAHAJANAPADA'S :- Alwar, Bharatpur and Jaipur in Rajasthan
CAPITAL NAME :- Viratnagra
SIRIOL NO :-13
MAHAJANAPADA'S NAME :- Shurasena
DISTRICTS OF MAHAJANAPADA'S :- Brajmandal
CAPITAL NAME :- Mathura
SIRIOL NO :-14
MAHAJANAPADA'S NAME :- Ashmaka
DISTRICTS OF MAHAJANAPADA'S :- between the rivers narmada and Godavari
CAPITAL NAME :- Potana
SIRIOL NO :-15
MAHAJANAPADA'S NAME :- Gandhara
DISTRICTS OF MAHAJANAPADA'S :- western part of Pakistan and Afghanistan
CAPITAL NAME :- Taxila
SIRIOL NO :-16
MAHAJANAPADA'S NAME :- Kamboja
DISTRICTS OF MAHAJANAPADA'S :- hazara District of Pakistan
CAPITAL NAME :- Rajapur