Original: As well as the island of Guernsey itself, it also includes Alderney, Sark, Herm, Jethou, Brecqhou, Burhou, Lihou and other islets.
Simplified: The bailiwick includes the islands of Guernsey, Alderney and Burhou , Herm and Jethou  as well as Sark, Little Sark and Brecqhou.