The Scilly Islands, located off the coast of Cornwall in England, can be referred to by a variety of synonyms. One popular alternative name is the Isles of Scilly. Another synonym is Scillonian Islands, referring to the Celtic name for the archipelago. Additionally, the islands are sometimes simply called the Scillies. The term Southwest Islands can also refer to this area, as it is located in the southwest region of England. Overall, there are many ways to describe the beautiful and unique Scilly Islands, each name reflecting a different perspective on this stunning part of the world.