Home to one of the world’s largest rainforests. Home to unique animal species. Home to beautiful paradise islands. Home to the world’s largest Muslim population. Home to how many islands? Some accounts have Indonesia at about 17,000. Others estimate 17,508 while another source has it at 18,306. That’s a lot of islands! And more are forming as we speak. Indonesia is one a very active tectonic plate region, meaning existing islands break up to form more or uprisings from the ocean floor rises up forming new land masses. Count in tidal islands that are islands at certain tides or part of the mainland at others confuses things even more. Let us shed light on the islands that you need go to with our Indonesia tours page.