# Administrative divisions of Bihar

Structurally Bihar is divided into divisions (Pramandal - प्रमंडल)), districts (Zila), sub-divisions (Anumandal) & circles (Anchal). The state is divided into 9 divisions, 38 districts, 101 subdivisions and 534 circles. 12 municipal corporations, 88 Nagar Parishads and 154 Nagar Panchayats for administrative purposes.

## Divisions

Details of Divisions :
| Division | Headquarter | Area | Population$^*$2011 | #District | Districts |
| Patna | Patna | 16,960 km$^2$ (6,550 sq mi) | 17,734,739 | 6 | Patna |
| Patna | Patna | 16,960 km$^2$ (6,550 sq mi) | 17,734,739 | 6 | Nalanda |
| Patna | Patna | 16,960 km$^2$ (6,550 sq mi) | 17,734,739 | 6 | Bhojpur |
| Patna | Patna | 16,960 km$^2$ (6,550 sq mi) | 17,734,739 | 6 | Rohtas |
| Patna | Patna | 16,960 km$^2$ (6,550 sq mi) | 17,734,739 | 6 | Buxar |
| Patna | Patna | 16,960 km$^2$ (6,550 sq mi) | 17,734,739 | 6 | Kaimur |
| Magadh | Gaya | 12,345 km$^2$ (4,766 sq mi) | 10,931,018 | 5 | Gaya |
| Magadh | Gaya | 12,345 km$^2$ (4,766 sq mi) | 10,931,018 | 5 | Nawada |
| Magadh | Gaya | 12,345 km$^2$ (4,766 sq mi) | 10,931,018 | 5 | Aurangabad |
| Magadh | Gaya | 12,345 km$^2$ (4,766 sq mi) | 10,931,018 | 5 | Jehanabad |
| Magadh | Gaya | 12,345 km$^2$ (4,766 sq mi) | 10,931,018 | 5 | Arwal |
| Tirhut | Muzaffarpur | 17,147 km$^2$ (6,620 sq mi) | 21,356,045 | 6 | West Champaran |
| Tirhut | Muzaffarpur | 17,147 km$^2$ (6,620 sq mi) | 21,356,045 | 6 | East Champaran |
| Tirhut | Muzaffarpur | 17,147 km$^2$ (6,620 sq mi) | 21,356,045 | 6 | Muzaffarpur |
| Tirhut | Muzaffarpur | 17,147 km$^2$ (6,620 sq mi) | 21,356,045 | 6 | Sitamarhi. |
| Tirhut | Muzaffarpur | 17,147 km$^2$ (6,620 sq mi) | 21,356,045 | 6 | Sheohar |
| Tirhut | Muzaffarpur | 17,147 km$^2$ (6,620 sq mi) | 21,356,045 | 6 | Vaishali |
| Saran | Chhapra | 6,893 km$^2$ (2,661 sq mi) | 10,819,311 | 3 | Saran |
| Saran | Chhapra | 6,893 km$^2$ (2,661 sq mi) | 10,819,311 | 3 | Siwan |
| Saran | Chhapra | 6,893 km$^2$ (2,661 sq mi) | 10,819,311 | 3 | Gopalganj |
| Darbhanga | Darbhanga | 8,684 km$^2$ (3,353 sq mi) | 15,652,799 | 3 | Darbhanga |
| Darbhanga | Darbhanga | 8,684 km$^2$ (3,353 sq mi) | 15,652,799 | 3 | Madhubani |
| Darbhanga | Darbhanga | 8,684 km$^2$ (3,353 sq mi) | 15,652,799 | 3 | Samastipur |
| Kosi | Saharsa | 5,899 km$^2$ (2,277 sq mi) | 6,120,117 | 3 | Saharsa |
| Kosi | Saharsa | 5,899 km$^2$ (2,277 sq mi) | 6,120,117 | 3 | Madhepura |
| Kosi | Saharsa | 5,899 km$^2$ (2,277 sq mi) | 6,120,117 | 3 | Supaul |
| Purnea | Purnea | 10,009 km$^2$ (3,864 sq mi) | 10,838,525 | 4 | Purnia |
| Purnea | Purnea | 10,009 km$^2$ (3,864 sq mi) | 10,838,525 | 4 | Katihar |
| Purnea | Purnea | 10,009 km$^2$ (3,864 sq mi) | 10,838,525 | 4 | Araria |
| Purnea | Purnea | 10,009 km$^2$ (3,864 sq mi) | 10,838,525 | 4 | Kishanganj |
| Bhagalpur | Bhagalpur | 5,589 km$^2$ (2,158 sq mi) | 5,061,565 | 2 | Bhagalpur |
| Bhagalpur | Bhagalpur | 5,589 km$^2$ (2,158 sq mi) | 5,061,565 | 2 | Banka |
| Munger | Munger | 9,862 km$^2$ (3,807 sq mi) | 6,120,117 | 6 | Munger |
| Munger | Munger | 9,862 km$^2$ (3,807 sq mi) | 6,120,117 | 6 | Jamui |
| Munger | Munger | 9,862 km$^2$ (3,807 sq mi) | 6,120,117 | 6 | Khagaria |
| Munger | Munger | 9,862 km$^2$ (3,807 sq mi) | 6,120,117 | 6 | Lakhisarai |
| Munger | Munger | 9,862 km$^2$ (3,807 sq mi) | 6,120,117 | 6 | Begusarai |
| Munger | Munger | 9,862 km$^2$ (3,807 sq mi) | 6,120,117 | 6 | Sheikhpura |
Note :
* Population data obtained from the sum of the populations of the districts.

## Summary

| Division | Headquarters | Districts |
| Patna | Patna | Bhojpur, Buxar, Kaimur, Patna, Rohtas, Nalanda |
| Saran | Chapra | Saran, Siwan , Gopalganj |
| Tirhut | Muzaffarpur | East Champaran, Muzaffarpur, Sheohar, Sitamarhi, Vaishali, West Champaran |
| Purnia | Purnia | Araria, Katihar, Kishanganj, Purnia |
| Bhagalpur | Bhagalpur | Banka, Bhagalpur |
| Darbhanga | Darbhanga | Darbhanga, Madhubani, Samastipura |
| Kosi | Saharsa | Madhepura, Saharsa, Supaul |
| Magadh | Gaya | Arwal, Aurangabad, Gaya, Jehanabad, Nawada |
| Munger | Munger | Begusarai,Jamui, Khagaria, Munger, Lakhisarai, Sheikhpura |