Indonesia–Malaysia border Indonesia–Malaysia border The border between the Southeast Asian countries of Indonesia and Malaysia consist of both a land border separating the two countries' territories on the island of Borneo as well as maritime boundaries along the length of the Straits of Malacca, in the South China Sea and in the Celebes Sea. The land boundary has a length of 2,019.5 km and stretches from Tanjung Datu at the northwestern corner of Borneo, through the highlands of the Borneo hinterland, to the Gulf of Sebatik and the Celebes Sea in the eastern side of the island. The boundary separates the Indonesian
Languages of Brunei specified, it is generally assumed to be a variety of Standard Malay that is similar to the standard varieties promoted in Malaysia and Indonesia. In fact, the use of Standard Malay and Brunei Malay can be described under the concept of diglossia, with Standard Malay taking the H(igh) role and being used in formal domains such as teaching and official speeches, while Brunei Malay functions in a L(ow) role, being used in informal domains such as between friends and in local shops. In terms of pronunciation, the Standard Malay of Brunei is rhotic, so there is an [r] at the