Borneo is the third-largest island in the world, located in Southeast Asia. It is divided among three countries: Indonesia, Malaysia, and Brunei. The island is known for its rich biodiversity, including unique wildlife such as orangutans and pygmy elephants, as well as vast rainforests that are home to many plant species. The island's geography features mountains, rivers, and coastal areas. Borneo's economy relies on natural resources, including timber and palm oil. Additionally, it has a diverse cultural heritage, with various indigenous groups, such as the Dayak people, who have lived there for centuries.