Riel (KHR). Notes are in denominations of KHR100,000, 50,000, 20,000, 10,000, 5000, 2000, 1000, 500, 200 and 100.

US Dollars and Thai Baht are widely accepted and exchanged, but other currencies are generally not recognised.

Credit cards are not generally accepted, but can be used in upmarket hotels and restaurants catering to visitors. There are no ATMs in Cambodia. It is always best to carry cash (US dollars if necessary) in small denominations.

Limited acceptance. Traveller's cheques are generally not recommended. Traveller's cheques in US dollars can be changed at the official rate at the Foreign Trade Bank in Phnom Penh, and other larger banks and hotels.

Import and export of local currency is prohibited. Foreign currency may be exported up to the limit declared at customs on arrival. Amounts over US$10,000 have to be declared.

Mon-Fri 0800-1500. Some banks are open on Saturdays.