Alderney (French: Aurigny; Auregnais: Aoeur'gny) is the most northerly of the Channel Islands and a British Crown dependency. It is part of the Bailiwick of Guernsey. It is 3 miles (4.8 km) long and 1.5 miles (2.4 km) wide. The area is 3 square miles (7.8 km2), making it the third largest island of the Channel Islands, and the second largest in the Bailiwick.
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