Brunei–Malaysia border which are defined by agreements, from west to east, are as follows: Brunei and Malaysia in an Exchange of Letters on 16 March 2009, agreed to affirm the five agreements. The two countries also agreed to use the watershed principle to determine the remaining undelimited portions of the border. Brunei's maritime boundary with Malaysia until the 100 fathom isobath was inherited from the Sarawak (Definition of Boundaries) Order in Council 1958 No 1518 and the North Borneo (Definition of Boundaries) Order in Council 1958 No 1517, both of which defined the boundary between Brunei on the one hand, and Sarawak
Languages of Brunei Indians, Brunei also has a large expatriate community of Filipino, Indonesian, Dutch and English-speaking origins. Betawi, Javanese, Sundanese, Ambonese and Batak languages are also spoken by immigrants from Indonesia. Languages of Brunei There are a number of languages spoken in Brunei. The official language of the state of Brunei is Standard Malay, the same Malaccan dialect that is the basis for the standards in Malaysia and Indonesia. This came into force on 29 September 1959, with the signing of Brunei 1959 Constitution. Malay is specified as the national language of Brunei in the constitution of 1959, and its central role