Guardialfiera
| Guardialfiera | |
|---|---|
| Comune di Guardialfiera | |
| Guardialfiera skyline | |
| Location of Guardialfiera | |
| Coordinates: 41°48′N 14°48′E / 41.800°N 14.800°E | |
| Country | Italy | 
| Region | Molise | 
| Province | Campobasso (CB) | 
| Government | |
| • Mayor | Vincenzo Tozzi | 
| Area | |
|  • Total | 43.2 km2 (16.7 sq mi) | 
| Elevation | 274 m (899 ft) | 
| Population  (30 November 2017) | |
|  • Total | 1,048 | 
| • Density | 24/km2 (63/sq mi) | 
| Demonym | Guardiesi or Guardioli | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Postal code | 86030 | 
| Dialing code | 0874 | 
| Patron saint | Saint Gaudentius | 
| Saint day | June 1st and 2nd | 
| Website | Official website | 
Guardialfiera is a comune (municipality) in the Province of Campobasso in the Italian region Molise, located about 30 kilometres (19 mi) northeast of Campobasso. It sits on a hilltop overlooking Lake Guardialfiera, which was created as a result of the damming of the Biferno river.
Guardialfiera borders the following municipalities: Acquaviva Collecroce, Casacalenda, Castelmauro, Civitacampomarano, Larino, Lupara, Palata.