Arauco Department
Arauco 
    Departamento Arauco  | |
|---|---|
| Country | Argentina | 
| Seat | La Rioja | 
| Area | |
 • Total  | 1,992 km2 (769 sq mi) | 
| Population  (2022)  | |
 • Total  | 16,257 | 
| • Density | 8.2/km2 (21/sq mi) | 
Arauco is a department of La Rioja Province, Argentina.
Arauco 
    Departamento Arauco  | |
|---|---|
| Country | Argentina | 
| Seat | La Rioja | 
| Area | |
 • Total  | 1,992 km2 (769 sq mi) | 
| Population  (2022)  | |
 • Total  | 16,257 | 
| • Density | 8.2/km2 (21/sq mi) | 
Arauco is a department of La Rioja Province, Argentina.