Buckinghamshire
From UK Flag Registry
| Flag Type | County Flag |
| Flag Date | Traditional |
| Designer | Unknown |
| Adoption Route | Traditional |
| UK Design Code | UNKG7423 |
| Aspect Ratio | 3:5 |
| Pantone Colours | Red 186, Black, White, |
| Certification | Flag Institute Chief Vexillologist, Graham Bartram |
Notes
The traditional flag of Buckinghamshire features a chained swan on a bicolour of red and black. The Swan emblem dates back to Anglo-Saxon times when Buckinghamshire was known for breeding swans for the king.
