Brunei–Malaysia border 1901 (ceded to the British North Borneo Company which subsequently transferred the territory to Sarawak in 1904). The treaty between the Sultanate and Britain in 1888, which resulted in Brunei becoming a British Protectorate, did not manage to halt the loss of territory. The annexation of the Baram, Trusan and Limbang areas resulted in the current borders of Brunei, with the Limbang annexation, which Brunei had continuously refused to recognise, fragmenting the Sultanate into two non-contiguous territories. Malaysia inherited these borders with Brunei when Sarawak, which had also become a British Protectorate in 1888 and subsequently a Crown Colony after
Indonesia–Malaysia relations Indonesia–Malaysia relations Indonesia–Malaysia relations (Indonesian and ; Jawi: هوبوڠن إندونيسيا–مليسيا) are foreign bilateral relations between Indonesia and Malaysia, and it is one of the most important bilateral relationships in Southeast Asia. Indonesia and Malaysia are two neighbouring nations that share similarities in many aspects. Both Malaysia and Indonesia have many common characteristic traits, these include common frames of reference in history, culture and religion. Although both countries are separate and independent states, there are also deeply embedded similarities. Their national languages; Indonesian language and Malaysian language are closely related and mutually intelligible, both being standardised registers of Malay. The majority