Bailiwick of Guernsey Bailiwick of Guernsey The Bailiwick of Guernsey () is one of three Crown dependencies. Separated from the Dukedom and Duchy of Normandy by and under the terms of the Treaty (or Peace) of Le Goulet in 1204, the Bailiwick comprises a number of islands in the English Channel which fall into three separate sub-jurisdictions: Guernsey, Alderney and Sark. A bailiwick is a territory administered by a Bailiff. The Bailiff of Guernsey is the civil head, and presiding officer of the States of Guernsey, but not of Alderney or Sark. He is the head of the judiciary of the Bailiwick. The
Fortifications of Alderney suffers from the strong tides and winter storms which have washed away some of the protecting stonework and requires a high annual maintenance bill to keep it intact. The current cost of maintenance being paid for by Guernsey. Fortifications of Alderney Apart from a Roman Fort, there were very few fortifications in Alderney until the mid 19th century. These were then modified and updated in the mid 20th Century by Germans during the occupation period. Alderney at 8 km is now one of the most fortified places in the world. Current evidence indicates that the Nunnery has its origins as