Sunda Islands
The Sunda Islands are a group of islands in the Malay Archipelago. They consist of the Greater Sunda Islands and the Lesser Sunda Islands. Administration. The Sunda Islands are part of the four countries Brunei, East Timor, Indonesia and Malaysia. The majority of these islands fall under the jurisdiction of Indonesia. Borneo is part of Brunei, Indonesia and Malaysia. Timor is part of East Timor and Indonesia. Sebatik is part of Indonesia and Malaysia.