Crete
It is a large island to the south/south west of Greece. It is currently owned by Greece.
crete
The Name Of The Long Greek Island Is Mediterranean Sea
its Crete. its underneath Sparta and is the island south to Greece.
The literal answer to your question is Madagascar, a very large island off the coast of Africa which is about 3500 miles south (and 1100 miles to the east) of Greece. It is the largest island located south of Greece. I suspect, however, that what you are asking for the name of the largest of the Greek islands to the south of mainland Greece: that large island in the very south of Greece is Crete.
Africa is the large continent south of Greece.
Crete
Crete.
The largest island in the south of Greece is called Crete, but note that Greece has over 3000 islands, so you may be thinking of a different.
Crete
The largest island near Greece is Crete, it lies to the south east of Greece in the Mediterranean Sea
There are quite a few islands to the south of Greece, but you may be thinking of Crete which is the largest.