Please be aware that whilst a travel adaptor will allow you to physically plug a UK plug into a different socket it will not change the voltage or frequency of the supply.
Voltage - The mains voltage in Vietnam is 220 V which is compatible with all UK appliances (UK voltage is currently specified as 230 V +10% / - 6%).
Frequency - The frequency in Vietnam is 50 Hz which is the same as the UK.
Special considerations - "Type A is the norm in Southern Vietnam and Type C is the norm in Northern Vietnam (according to the pre-unification border at 17 degrees North). Type G is found only in some new luxury hotels, primarily those built by Singaporean and Hong Kong developers. But Type G is never found in homes, shops, or offices."This will help us to show you adaptors that will work with your domestic devices.
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