Sumatra is an island located in the Indian Ocean, off the western coast of Sumatra, Indonesia. It is the largest island in the country and is known for its lush rainforests and diverse wildlife. Madura is an island located off the northeastern coast of Java, Indonesia. It is known for its traditional culture and beautiful beaches. BALI is an island located in the Lesser Sunda Islands, Indonesia. It is a popular tourist destination due to its stunning beaches, vibrant culture, and unique Hindu temples. Borneo is an island located in Southeast Asia, divided between Indonesia, Malaysia, and Brunei. It is the third-largest island in the world and is known for its dense rainforests and diverse wildlife. Timor is an island located in Maritime Southeast Asia, divided between East Timor and Indonesia. It is known for its rugged terrain and unique culture.