Part of Japan, but 2000 km away from Tokyo. It's the second largest island of the Yaeyama archipelago.
Hateruma island is the southernmost populated island in Japan.
The Yaeyama Islands are the remotest and most southwestern part of Japan, and are closer to Taiwan than to Japan.
90% of the island is covered in dense jungles and swampy mangroves and is unquestionably one of the few remaining great wildernesses of Japan.