The correct answer is

Island of Australia
it was largest island in the world
even before its discovery

i said (the largest island in the world
not the largest island in the Old world )

i'm sorry lw 7lha kan 3'reeb shwya
bs 3la asas n a3'lb alnas mo3tbrnha island

hya to3tbr akbr island
7ta abl ma a7na nktshfha
:D:D:D

thanxx sooo much ya saso for your sharing
i hope that you continue with me