Genestrerio
| Genestrerio | |
|---|---|
| Quarter | |
| Country | Switzerland | 
| Canton | Ticino | 
| District | Mendrisio | 
| City | Mendrisio | 
| Area | |
|  • Total | 1.45 km2 (0.56 sq mi) | 
| Population  (2011-12-31) | |
|  • Total | 996 | 
| • Density | 690/km2 (1,800/sq mi) | 
Genestrerio (Genestree in lombard) was a municipality in the district of Mendrisio in the canton of Ticino in Switzerland.
On 5 April 2009 the municipalities of Arzo, Capolago, Genestrerio, Mendrisio, Rancate and Tremona merged into the municipality of Mendrisio.