Isernia
| Isernia Sèrnia | |
|---|---|
| Città di Isernia | |
| Top left: Landscape of Isernia, Top right: "Corso Marcelli" Street, Bottom left: Fontana Fraterna, Bottom right: "San Pietro" Cathedral | |
| Location of Isernia | |
| Coordinates: 41°36′10″N 14°14′23″E / 41.60278°N 14.23972°E | |
| Country | Italy | 
| Region | Molise | 
| Province | Isernia (IS) | 
| Frazioni | Acquazolfa, Bazzoffie, Breccelle, Capruccia, Castagna, Castelromano, Colle de' Cioffi, Colle Martino, Colle Pagano, Collecroci, Conocchia, Coppolicchio, Fragnete, Marini, Salietto, Valgianese | 
| Government | |
| • Mayor | Piero Castrataro (Centre-left politics) | 
| Area | |
|  • Total | 68.74 km2 (26.54 sq mi) | 
| Elevation | 423 m (1,388 ft) | 
| Population  (31 December 2021) | |
|  • Total | 20,863 | 
| • Density | 300/km2 (790/sq mi) | 
| Demonym | Isernini | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Postal code | 86170 | 
| Dialing code | 0865 | 
| Patron saint | Pope Celestine V | 
| Saint day | May 19 | 
| Website | Official website | 
Isernia (Italian pronunciation: [iˈzɛrnja] ⓘ) is a town and comune in the southern Italian region of Molise, and the capital of the province of Isernia.