Money, Visa & SIM
5 min
August 18, 2026
Currency Exchange, Cash & Card Payments in Vietnam 2026
Where to find the best exchange rates for $100 bills in Duong Dong, card acceptance tips, and ATM fees on Phu Quoc.
Official Currency: Vietnamese Dong (VND)
Vietnam uses polymer banknotes that are waterproof and durable. Denominations range from 10k to 500k VND. Benchmark rate: 1 USD ≈ 25,400 VND.
Best Places to Exchange Foreign Currency
Authorized gold and jewelry shops near Duong Dong Night Market consistently offer higher exchange rates than airport counters and hotel desks.
Important Banknote Tips
Bring crisp, unmarked $100 bills printed in 2013 or newer. Folded, torn, or stamped notes may be declined or exchanged at a lower rate.