| Flag Type: | City Flag |
|---|---|
| Flag Date: | 26 August 1906 |
| Flag Designer: | College of Arms |
| Adoption Route: | Traditional |
| UK Design Code: | UNKG7501 |
| Aspect Ratio: | 3:5 |
| Pantone® Colours: | White, Red 485, Green 347 |
| Certification: | Flag Institute Chief Vexillologist, Graham Bartram |
| Notes: | The Cardiff Flag is a community flag proclaiming the unique identity of this Glamorgan city. This is a banner of the Arms of the City of Cardiff. |
