Brunei–Malaysia relations Brunei–Malaysia relations Brunei–Malaysia relations (; Jawi: هوبوڠن بروني–مليسيا) are foreign relations between Brunei and Malaysia. Brunei has a high commission in Kuala Lumpur, as well as consulate-generals in Kota Kinabalu and Kuching. Malaysia maintains a high commission in Bandar Seri Begawan. Both countries are full members of ASEAN and the Commonwealth of Nations. The two countries share a land border on the island of Borneo. Relations between the two countries has been established since January 1984. Brunei and Malaysia have many similarities in culture especially in the East Malaysian areas as they were once a part of the Bruneian Empire.
Brunei–Malaysia border their boundary issues and demarcate their common border according to the five historical agreements, of which the two directly concern Limbang, namely the 1920 agreement establishing the Pandaruan River as the Brunei-Sarawak border to the east of Limbang, and the 1933 agreement establishing the Brunei-Sarawak border to the west of Limbang. The two countries also agreed to use the watershed principle to fill in the gaps. This essentially reaffirms the current de facto boundary without major deviation. This led Malaysia to declare that the Limbang Question has been settled with Malaysia having unequivocal ownership over Limbang. Brunei however immediately denied