A British island in the English Channel. The northernmost of the larger Channel Islands, it is separated from the French coast by a swift channel, the Race of Alderney.

• 奥尔德尼岛英吉利海峡中一英属岛屿。位于较大的海峡群岛最北端，由一湍急海峡奥尔德尼水道将其与法国海岸分开