Arzo
| Arzo | |
|---|---|
| Quarter | |
| Country | Switzerland | 
| Canton | Ticino | 
| District | Mendrisio | 
| City | Mendrisio | 
| Area | |
|  • Total | 2.79 km2 (1.08 sq mi) | 
| Population  (2011-12-31) | |
|  • Total | 1,232 | 
| • Density | 440/km2 (1,100/sq mi) | 
Arzo was a municipality in the district of Mendrisio in the canton of Ticino in Switzerland.
It had an area of 2.82 km2 (1.09 sq mi) and a population of 1,126 inhabitants (December 2007).
On 5 April 2009 the municipalities of Arzo, Capolago, Genestrerio, Mendrisio, Rancate and Tremona merged into the municipality of Mendrisio.