Elmas
| Elmas Su Masu | |
|---|---|
| Comune di Elmas | |
| Church of San Sebastiano | |
| Location of Elmas | |
| Coordinates: 39°16′N 9°3′E / 39.267°N 9.050°E | |
| Country | Italy | 
| Region | Sardinia | 
| Metropolitan city | Cagliari (CA) | 
| Government | |
| • Mayor | Maria Laura Orrù | 
| Area | |
|  • Total | 13.72 km2 (5.30 sq mi) | 
| Elevation | 7 m (23 ft) | 
| Population  (31 October 2017) | |
|  • Total | 8,222 | 
| • Density | 600/km2 (1,600/sq mi) | 
| Demonym | Masesi | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Postal code | 09067 | 
| Dialing code | 070 | 
| Patron saint | St. Sebastian | 
| Saint day | 20 January | 
| Website | Official website | 
Elmas (Sardinian: Su Masu) is a comune (municipality) of the Metropolitan City of Cagliari in the Italian region of Sardinia, located about 8 kilometres (5 mi) northwest of Cagliari.
Until 1989 Elmas was a district of Cagliari. It is best known locally as the location for the airport which serves Cagliari, some 7 kilometres (4 mi) to the east to the town. According to 2011 census, it has 8,949 inhabitants.