Alderney is a Island located in Guernsey. It is one of the 7 islands in Guernsey. Address of Alderney is Guernsey. Website of Alderney is alderney.gov.gg. Alderney is located in a remote area, with less than 1 listed places around it. Alderney is rated 4.5 (out of 5 stars) by 149 reviewers on the web.