2. The Archipelago of Indonesia A archipelago is a group of small Islands. Indonesia has over 17,000 islands. It is known as the world’s biggest archipelago. Many islands include Sumatera, Java, Sulawesi and Borneo.

3. Main Islands Some of the main islands are Java, Borneo, Sumatra and Sulawesi

4. Physical Landforms Many landforms include Gong Cave, Mount Agung, Karaha Crater, Mount Bromo, and much much more.Gong Cave Is known as the most beautiful cave in Southeast Asia. Mount Agung is known as the highest and holiest mountain.

5. The Rainforests Many Indonesian rainforests are under threat due to logging. They are one of Indonesia’s main exports holding many of Indonesia’s animals and plants such as lots and lots of birds, Sun Bear, Sumatran Tiger and much more.