You are allowed to enter the territory of Vietnam with foreign currencies. 1 USD notes are handy for providing timely tips. Foreign exchange transactions have been simplified, but the queues can be long.

Visitors will find banks in all cities. Money changers and ATMs are located in most cities, which is not the case in rural areas hence take your precautions. If necessary, your guide will be happy to change for you with the official rate.

In most cases, you must pay in cash. Only the big tourist hotels and restaurants accept payment by credit cards. Visa, American Express and MasterCard are now accepted in big cities and tourist centers.