Cosa
42°24′39″N 11°17′11″E / 42.410919°N 11.286503°E
Vulci's coast, seen from Cosa | |
Cosa Shown within Tuscany Cosa Cosa (Italy) | |
| Location | Ansedonia, Italy |
|---|---|
| Region | Province of Grosseto |
| Coordinates | 42°24′39.3078″N 11°17′11.4102″E / 42.410918833°N 11.286502833°E |
| Type | Settlement |
| History | |
| Founded | 273 BC |
| Abandoned | after AD 1329 |
| Periods | Roman Republic, Roman Empire |
| Cultures | Ancient Rome |
| Site notes | |
| Excavation dates | 1948–54, 1965–72, 1990s, 2010s |
| Archaeologists | Frank E. Brown, Elizabeth Fentress, Russell T. Scott Jr., Andrea U. De Giorgi |
| Condition | ruined |
| Public access | yes |
| Website | Ansedonia - Città di Cosa; Museo Archeologico Nazionale di Cosa (in Italian) |
Cosa was an ancient Roman city near the present Ansedonia in southwestern Tuscany, Italy. It is situated on a hill 113 m above sea level and 140 km northwest of Rome on the Tyrrhenian Sea coast. It has assumed a position of prominence in Roman archaeology owing to its excavation.