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).
... character, Anna, is the wife of the bureaucrat Karenin. She is invited from her home in St Petersburg to Moscow to mediate the marital discord of her brother Stepan (Stiva) ...