Vasto
| Vasto | |
|---|---|
| Città del Vasto | |
| Lighthouse of Punta Penna, the second tallest in Italy and seventh tallest in the world | |
| Location of Vasto | |
| Coordinates: 42°07′00″N 14°42′25″E / 42.11667°N 14.70694°E | |
| Country | Italy | 
| Region | Abruzzo | 
| Province | Chieti (CH) | 
| Government | |
| • Mayor | Francesco Menna (Partito Democratico) | 
| Area | |
|  • Total | 70.65 km2 (27.28 sq mi) | 
| Elevation | 138 m (453 ft) | 
| Population  (January 1, 2023) | |
|  • Total | 40,692 | 
| • Density | 580/km2 (1,500/sq mi) | 
| Demonym | Vastesi | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Postal code | 66054 | 
| Dialing code | 0873 | 
| Patron saint | Saint Michael | 
| Saint day | September 29 | 
| Website | Official website | 
Vasto (Abruzzese: lù Uàštë; Ancient Greek: Ἱστόνιον, romanized: Histonion, Latin: Histonium) is a comune on the Adriatic coast of the Province of Chieti, in southern Abruzzo, Italy. During the Middle Ages it was called Guastaymonis, Vasto d'Aimone or Waste d'Aimone. Fascist Italy called the city Istonio, but it was renamed Vasto in 1944.