the west and the Sahul/Arafuru Shelf in the east. Other terms associated with "Sunda" include the Sunda Island Arc or the arc of Sunda Islands, Sunda Fold or tectonic folding in the Natuna Sea, the Sunda Trench, and Sundaland.

The term "Sunda" has been traced back to ancient times. The name "Sunda" originates from the Sanskrit word "Cuddha," meaning white. During the Pleistocene era, there was a large volcano named Mount Sunda