| Aillas | |
|---|---|
|   Église Notre-Dame d'Aillas | |
| Coordinates: 44°28′30″N0°04′23″W / 44.475°N 0.0730°W | |
| Country | France | 
| Region | Nouvelle-Aquitaine | 
| Department | Gironde | 
| Arrondissement | Langon | 
| Canton | Le Réolais et Les Bastides | 
| Intercommunality | Réolais en Sud Gironde | 
| Government | |
| • Mayor (2020–2026) | André-Marc Barnett [1] | 
| Area 1 | 35.13 km2 (13.56 sq mi) | 
| Population  (2022) [2]  | 804 | 
| • Density | 23/km2 (59/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code |  33002 /33124 | 
| Elevation | 29–138 m (95–453 ft) (avg. 64 m or 210 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Aillas (French pronunciation: [ajas] ; Occitan : Alhats) is a commune of the Gironde department in southwestern France.
| Year | Pop. | ±% p.a. | 
|---|---|---|
| 1968 | 939 | — | 
| 1975 | 790 | −2.44% | 
| 1982 | 690 | −1.91% | 
| 1990 | 656 | −0.63% | 
| 1999 | 668 | +0.20% | 
| 2007 | 732 | +1.15% | 
| 2012 | 792 | +1.59% | 
| 2017 | 822 | +0.75% | 
| Source: INSEE [3] | ||