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Official Languages: Malay

English is commonly spoken in hotels, malls, many restaurants, and by many people in urban areas, so most visitors can manage basic travel needs without much difficulty.

Mobile Network: Mobile coverage is generally good in Bandar Seri Begawan and other populated areas. Speeds are typically adequate for maps, messaging, and standard browsing, while more remote forest or coastal areas may have weaker coverage.

Roaming/SIM/eSIM: Roaming is convenient for short stays but may be expensive. A local SIM is usually better value if your phone is unlocked and you will stay several days. eSIM availability depends on your provider and device, so it can be the easiest option if supported, but local prepaid SIM plans may still offer better local rates. Compare your home roaming package against local prepaid data before arrival.

Cards are accepted at many hotels, larger restaurants, supermarkets, and shopping malls in Bandar Seri Begawan, but cash is still useful for small eateries, markets, water taxis, and some smaller shops. It is sensible to carry some Brunei dollars for daily expenses.

Tipping is not a strong expectation in Brunei. Hotels and higher-end restaurants may already include a service charge. For taxis and casual dining, rounding up the bill is appreciated but not usually required.

Plug Type: G mainly

Voltage: 240 V, 50 Hz

Adapter: Visitors from countries using type G plugs usually do not need an adapter. Many travelers from Europe, the Americas, and parts of Asia will typically need a plug adapter.