- a chain of islands in the Malay Archipelago, including Borneo, Sulawesi, Sumatra, and Java (Greater Sunda Islands ); and a group of smaller islands extending E from Java to Timor (Lesser Sunda Islands ).
- 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)
