Casma | |
|---|---|
 Sechin complex in the Casma Valley | |
 Flag  Coat of arms | |
 Location of Casma in the Ancash Region | |
| Country | Peru |
| Region | Ancash |
| Capital | Casma |
| Government | |
| • Mayor | Luis Alarcón Llana (2019–2022) |
| Area | |
| • Total | 2,262.86 km2 (873.70 sq mi) |
| Population | |
| • Total | 50,989 |
| • Density | 23/km2 (58/sq mi) |
| Website | www.casma.anc.mp.gob.pe |
The Casma Province is one of twenty provinces of the Ancash Region of Peru.