Saint Anne is the main town of Alderney in the Channel Islands. Saint Anne is located about 10 miles off the coast of Auderville in the Manc…Saint Anne is the main town of Alderney in the Channel Islands. Saint Anne is located about 10 miles off the coast of Auderville in the Manche department of the Normandy region of north-western France. As of 2010, it has an estimated population of 2,000, compared to an estimated 2,400 who actually live on the island; they have traditional names such as vaches and lapins. The town dominates much of the island, almost extending up to the Braye Harbour to its north, which is the main port of entry to the island and the town. It is located on a high ground at the centre of the island on the northwest direction.