| No. | English name | Nepali name | Zones | Districts (No.) | Headquarters | Population | Area (km²) |
| 1 | Eastern Development Region | पुर्वाञ्चल विकास क्षेत्र | Mechi,Koshi,Sagarmatha | 16 | Dhankuta | 5,811,555 | 28,456 |
| 2 | Central Development Region | मध्यमाञ्चल विकास क्षेत्र | Janakpur,Bagmati,Narayani | 19 | Kathmandu | 9,656,985 | 27,410 |
| 3 | Western Development Region | पश्चिमाञ्चल विकास क्षेत्र | Gandaki,Lumbini,Dhaulagiri | 16 | Pokhara | 4,926,765 | 29,398 |
| 4 | Mid-Western Development Region | मध्य पश्चिमाञ्चल विकास क्षेत्र | Rapti,Bheri,Karnali | 15 | Birendranagar | 3,546,682 | 42,378 |
| 5 | Far-Western Development Region | सुदुर पश्चिमाञ्चल विकास क्षेत्र | Seti,Mahakali | 9 | Dipayal | 2,552,517 | 19,539 |