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
Indonesia–Malaysia confrontation Indonesia during the confrontation. While the latter returned to Sarawak and had his political status rehabilitated, Azahari remained in Indonesia until his death on 3 September 2002. In the aftermath of the Brunei Revolt, the remnants of the TNKU reached Indonesia. Possibly fearing British reprisals (which never eventuated), many Chinese communists, possibly several thousand, also fled Sarawak. Their compatriots remaining in Sarawak were known as the CCO by the UK but called the PGRS—Pasukan Gelilya Rakyat Sarawak (Sarawak People's Guerilla Force) by Indonesia. Soebandrio met with a group of their potential leaders in Bogor, and Nasution sent three trainers from