An island in this body of water contains the Haghier Mountains as well as several species of "dragon blood" trees, and another contains Mawson Peak, the highest mountain controlled by Australia, which also owns the immigration flashpoint of Christmas Island in this body of water.
One island located in this body of water contains a number of rare bird breeding sites atop the Plateau des Tourbieres where Mont de la Dives is the highest point. The Kerguelen-Heard oceanic plateau lies underneath this body of water while another island in this body of water contains the Piton des Neiges. Another country located in this body of water has the lowest "high point" in the world on Villingili island. An island in this body of water contains the Haghier Mountains as well as several species of "dragon blood" trees, and another contains Mawson Peak, the highest mountain controlled by Australia, which also owns the immigration flashpoint of Christmas Island in this body of water. For 10 points, identify this body of water, home to the Cocos Islands, Socotra, Reunion, and the Maldives.
One island located in this body of water contains a number of rare bird breeding sites atop the Plateau des Tourbieres where Mont de la Dives is the highest point.
{Indian Ocean}