Note: Australia is generally considered to be a continental landmass, rather than an island. If however one does count Australia among the islands it, not Greenland, would be the largest in the world (unless one also considered Antarctica an island).
... Ireland, Museums in the Republic of Ireland
Berkshire
Reading Museum[?] (Replica of the Bayeux Tapestry)
Buckinghamshire
Bletchley Park Museum[?] (Enig ...