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Official Languages: Bengali

English is commonly used in business, higher-end hotels, and some tourist-facing services, but everyday communication outside those settings can be limited. Having key addresses written down and using translation apps is helpful.

Mobile Network: Mobile coverage is generally good in cities and towns and commonly adequate on major travel routes, but speeds and reliability can drop in rural areas, river regions, and some coastal or hill areas. 4G is widely available in populated areas.

Roaming/SIM/eSIM: If your home carrier offers affordable roaming, it is the easiest option for a short stay, but it is often more expensive. A local SIM usually gives the best value for calls and data if you are staying longer or moving around the country, though registration requirements commonly apply. An eSIM can be convenient for compatible phones and avoids shop visits, but local SIM plans may still be cheaper and offer better local support. For most travelers, eSIM or roaming works well on arrival, while a local SIM is usually best for longer stays.

Cards are accepted at many higher-end hotels, larger restaurants, and some urban shops, especially in Dhaka and Chattogram, but cash is still commonly needed for transport, markets, small eateries, and many places outside major cities.

Tipping is appreciated but not always mandatory. In restaurants, check whether a service charge is already included. If not, rounding up or leaving about 5 to 10 percent is commonly appreciated in more formal places. Hotel porters and housekeeping may be given a small tip. For drivers and guides, tipping depends on service quality and trip length, but small practical amounts are typical.

Plug Type: Types C, D, G and K are all used

Voltage: 220V, 50Hz

Adapter: Possibly. Many hotels use mixed socket types, so a universal adapter is the safest choice.