| Flag Type: | National Flag |
|---|---|
| UK Design Code: | ALDE0001 |
| Aspect Ratio: | 3:5 |
| Certification: | Flag Institute Chief Vexillologist, Graham Bartram |
| Notes: | The Alderney Flag is the national flag of this Channel Island forming part of the Bailiwick of Guernsey, a self-governing possession of the British Crown (Crown Dependency).
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