Vietnamese Dong (VND)
roughly ₫25,000 to US$1 — drop three zeros and divide by 25
Bring cash. Taps work in the cities; much of the country is cash or a local QR code.
Type A / C / F — two flat or two round pins
220V, 50Hz
Do not drink the tap water. Bottled water is everywhere and costs almost nothing.
Not traditional but increasingly common in tourist areas. ₫20,000–50,000 is generous.
Police 113 · Ambulance 115
112 · Works with no SIM, no signal
Varies enormously by region — the country is 1,600 km long. March–April and October–November are the safest nationwide bets.
Most nationalities need an e-visa, applied for online at least 5–7 working days before travel. Use only the official government portal — there are many convincing paid imitations that charge several times the real fee.