Seti Zone
Seti was one of the fourteen zones located in the Far-Western Development Region of Nepal. Dhangadhi in the Terai is the major city of Seti Zone; headquarters are in Dipayal-Silgadhi. As of 2015, Nepal discontinued zone designations in favor of provinces; the area previously known as Seti Zone is now part of Sudurpashchim Province.
Administrative subdivisions
Seti was divided into five districts; since 2015 these districts have been redesignated as part of Sudurpashchim Province.| District | Type | Headquarters | Since 2015 part of Province |
| Achham | Hill | Mangalsen | Sudurpashchim Province |
| Bajhang | Mountain | Chainpur | Sudurpashchim Province |
| Bajura | Mountain | Martadi | Sudurpashchim Province |
| Doti | Hill | Silgadhi | Sudurpashchim Province |
| Kailali | Outer Terai | Dhangadhi | Sudurpashchim Province |