The currency issued by the Vietnam State Bank is the dong (abbreviated "d" or VND)
which is used uniformly throughout the country. Widely-used bank notes in domination of
500d, 1000d, 2000d, 5000d, 10000d, 20000d, 50000d and 100000d are presently in circulation.
The front views of them are below:
Traveller's cheques can be exchanged for Vietnamese dong only at authorised exchange
banks. Credit cards (American Express, Visa, Mastercard) can be used in banks, travel
agencies, hotels, and major restaurants. US currency is exchanged for Vietnamese dong
and treasury notes in banks, exchange bureaus, hotels, and jewellery shops with the daily
changed rate.
The currency exchange rates can be checked
here
for the daily updated conversion.