A Bailiff heads each Channel Island bailiwick. Grindelwald became part of the bailiwick of Interlaken, under a Bernese bailiff. A bailiwick is a territory administered by a bailiff. Despite most families coming from Jersey, Sark remained within the Bailiwick of Guernsey. Brecqhou is politically part of both Sark and the Bailiwick of Guernsey. It is part of the Bailiwick of Guernsey, a British Crown dependency. The Teutonic Knights founded the Bailiwick of Koblenz in or around 1231. The location is also the highest point in the Bailiwick of Guernsey. This area code is used for the Bailiwick of Guernsey, i.e. including Alderney and Sark. The title is still used in the Bailiwick of Guernsey. There is no flag or coat of arms for the Bailiwick of Guernsey. It admits students from across the Bailiwick of Guernsey. He is the head of the judiciary of the Bailiwick. Data from the 1971 Bailiwick of Guernsey report. There are many smaller islands, islets, rocks and reefs in the Bailiwick.