Guernsey and Jersey are two islands located in the English Channel off the coast of France. They are both part of the Channel Islands, a British Crown dependency. The crossword solutions for the term 'Guernsey and Jersey' are 'ISLES' (5 letters) and 'Elms' (4 letters). ISLES is a reference to the fact that both islands are located in the sea, while Elms is a reference to the fact that both islands are covered in elm trees.