The worlds largest iceberg would be: Iceberg B-15. It is located at Antarctica.
Antarctica
the largest ocean and its area
The largest iceberg ever spotted was in 1956, and it measured over 208 miles long and 60 miles wide. This iceberg was larger than some small countries and was one of the largest floating pieces of ice ever recorded.
According to Wikipedia, the largest iceberg is the B-15. It apparently has the same surface area of the island Jamaica. Pieces of this iceberg have been floating around Ross Sea (it's located south of West Antarctica. A few other very large icebergs include A-38, B-15A (a piece of B-15), and C-19.
It is the largest by area only.
sydney
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Australia
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Asia and Africa.
By area, the answer is Russia, who is 17,075,400 km2.