Which are islands or island groups?

I''ll try to get what you are saying but please be specific what specific island are you talking about but an island is a piece of land in the middle of the ocean alone by its self a island group is a group of island but im not sure so check the dictionary or an encyclopedia or an almonac i no i sound like a turbo nerd but try that stuff it might help but try the dictionary First than the encyclopedia Second ok

P.S Slender man out!