"Bornean" refers to anything related to the island of Borneo, the third-largest island in the world, located in Southeast Asia. It is divided among three countries: Indonesia, Malaysia, and Brunei. Borneo is known for its rich biodiversity, including unique wildlife such as the Bornean orangutan and the Bornean pygmy elephant. The term "Bornean" can also describe the indigenous cultures and languages found on the island. Various ethnic groups, such as the Dayak and Iban, contribute to the island's cultural diversity. Borneo's rainforests are among the oldest in the world, playing a crucial role in global ecology.