| Name | Aarau |
| Office head of government | |
| Mayor | |
| Image |  |
| Area (m²) | 8,940,000 |
| Date founded | After 1240 |
| Elevation (m) | 381 |
| Country | Switzerland |
| Administrative division | Aargau |
| Continent | Europe |
| Latitude (°) | 47.4000015259 |
| Waterbody | |
| Longitude (°) | 8.0500001907 |
| Website | http://www.aarau.ch |
| Population (people) | 21,503 (31/12/2018) |
| Demonym |