Costa Rica
- Cañas a municipality, in the Guanacaste province capital of the canton of the same name
- Canton of Cañas, a canton, in the province of Guanacaste
- Cañas, river
Spain
- Villar de Cañas, a municipality in the autonomous community Castile-La Mancha
- Cañas, a municipality in the autonomous community of La Rioja