Last reviewed: September 2, 2026
Brunei is listed in South-Eastern Asia, within Asia. Its capital is Bandar Seri Begawan. This page brings together the most commonly needed identifiers and geography facts in one place, with links to related reference lists.
Where is Brunei?
For broad geographic classification, Brunei is grouped under Asia and the subregion South-Eastern Asia. Regional labels can vary between statistical and geographic organizations, so this site uses one consistent classification for browsing rather than claiming there is only one valid convention.
What are the country codes for Brunei?
The ISO-style two-letter code shown on this page is BN, while the three-letter code is BRN. Two-letter codes are especially common in software, forms and country-code domains; three-letter codes are useful where a more recognizable abbreviation is preferred. See our country code guide for context.
Borders and nearby geography
Brunei has the following land-border entries in our source dataset: Malaysia. Island states and countries without a land frontier may show no land borders even though they have maritime neighbors.