Sunda Islands

[ suhn-duh; Dutch soon-dah ]
/ ˈsʌn də; Dutch ˈsun dɑ /

plural noun

a chain of islands in Indonesia, in the Malay Archipelago, including Borneo, Sumatra, Java, and Sulawesi (Greater Sunda Islands); and a group of smaller islands extending E from Java to Timor (Lesser Sunda Islands).
Also Soenda Islands [soon-dah] /ˈsun dɑ/.

British Dictionary definitions for sunda islands

Sunda Islands
/ (ˈsʌndə) /

pl n

a chain of islands in the Malay Archipelago, consisting of the Greater Sunda Islands (chiefly Sumatra, Java, Borneo, and Sulawesi) and Nusa Tenggara (the Lesser Sunda Islands) Former spelling: Soenda Islands