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
Geography of Brunei Geography of Brunei Brunei is a country in Southeastern Asia, bordering the South China Sea and East Malaysia. Its geographical coordinates are . Brunei shares a border with Malaysia and has a coastline. The climate in Brunei is tropical equatorial and humid subtropical at higher altitudes with heavy rainfall. Bandar Seri Begawan's climate is tropical equatorial with two seasons. Dry season is extremely hot (). Wet or rainy season is generally warm and wet (). Most of the country is a flat coastal plain with mountains in the east and hilly lowland in the west. The lowest point is at