List of Sub Districts in Purnia
| ID | States/UTs | Districts | SubDistricts |
|---|---|---|---|
| 1 | Bihar | Purnia | Amour |
| 2 | Bihar | Purnia | Baisa |
| 3 | Bihar | Purnia | Baisi |
| 4 | Bihar | Purnia | Banmankhi |
| 5 | Bihar | Purnia | Barhara |
| 6 | Bihar | Purnia | Bhawanipur |
| 7 | Bihar | Purnia | Dagarua |
| 8 | Bihar | Purnia | Dhamdaha |
| 9 | Bihar | Purnia | Jalalgarh |
| 10 | Bihar | Purnia | Kasba |
| 11 | Bihar | Purnia | Krityanand Nagar |
| 12 | Bihar | Purnia | Purnia East |
| 13 | Bihar | Purnia | Rupauli |
| 14 | Bihar | Purnia | Srinagar |