| Name | Gaillon |
| Office head of government | |
| Mayor | |
| Image |  |
| Area (m²) | 10,190,000 |
| Date founded | |
| Elevation (m) | 144 |
| Country | France |
| Administrative division | Normandy |
| Continent | Europe |
| Latitude (°) | 49.1666679382 |
| Waterbody | |
| Longitude (°) | 1.3333333731 |
| Website | |
| Population (people) | 6,924 (01/01/2017) |
| Demonym |