Calanca
| Calanca | |
|---|---|
| Stone bridge in Arvigo village in Calanca | |
| Location of Calanca | |
| Coordinates: 46°18′N 9°7′E / 46.300°N 9.117°E | |
| Country | Switzerland | 
| Canton | Graubünden | 
| District | Moesa | 
| Area | |
|  • Total | 37.72 km2 (14.56 sq mi) | 
| Population  (31 December 2018) | |
|  • Total | 199 | 
| • Density | 5.3/km2 (14/sq mi) | 
| Time zone | UTC+01:00 (Central European Time) | 
| • Summer (DST) | UTC+02:00 (Central European Summer Time) | 
| Postal code(s) | 6543-6546 | 
| SFOS number | 3837 | 
| ISO 3166 code | CH-GR | 
| Surrounded by | Buseno, Santa Maria in Calanca | 
| Website | http://www.comunedicalanca.ch SFSO statistics | 
Calanca is a municipality in the Moesa Region in the Swiss canton of Graubünden. On 1 January 2015 the former municipalities of Arvigo, Braggio, Cauco and Selma merged to form the new municipality of Calanca.