Supaul (HQ) · Kosi Division · 0 Villages Listed
| Headquarters | Supaul |
| Division | Kosi |
| Major Rivers | Kosi, Trishula, Bhutahi Balan |
| Famous For | Birpur Kosi Barrage, Tribeni Sangam |
| Official Website | https://supaul.nic.in |
| State | Bihar, India |
In Kosi river belt. Kosi Barrage at Birpur is a major engineering landmark. Known for fish farming.