| Name | Isernia |
| Office head of government | |
| Mayor | |
| Image |  |
| Area (m²) | 68,740,000 |
| Date founded | |
| Elevation (m) | 423 |
| Country | Italy |
| Administrative division | Molise |
| Continent | Europe |
| Latitude (°) | 41.5999984741 |
| Waterbody | |
| Longitude (°) | 14.2333335876 |
| Website | http://www.comune.isernia.it |
| Population (people) | 21,666 (01/01/2018) |
| Demonym |