East Malaysia is 50% bigger than Peninsular Malaysia at , comparable with South Dakota or Great Britain. East Malaysia contains the five highest mountains in Malaysia, the highest being Mount Kinabalu at 4095 m, which is also the highest mountain in Borneo and the 10th highest mountain peak in Southeast Asia. It also contains the two longest rivers in Malaysia – Rajang River and Kinabatangan River. Banggi Island in Sabah and Bruit Island in Sarawak are the two largest islands that are located entirely within Malaysia. The largest island is Borneo, which is shared with Indonesia and Brunei. The second largest island
British Forces Brunei the Brunei Revolt of 1962 and the Indonesia–Malaysia confrontation. Since Brunei's independence in 1984, forces have been stationed there at the request of the current Sultan, in a renewable agreement lasting five years at a time. The forces stationed in Brunei are available to assist the Sultan, but are also available for deployment overseas with other elements of the British Armed Forces if needed. As recompense, the Sultan pays to help support the British presence. BFB is located at Seria and is centred on a light infantry battalion, which will be one of the two battalions of the Royal Gurkha