Thank you so much for your prompt replyb but as I arrive on the 4th May and actually leave Vietnam in the morning of the the 19th, I am not sure if this is classed as 15 or 16 days, Please advise if i require a visa, Thank you

Dear Sir/ Madam

Thank you for your question.

Could you please let us know what your natioality is? As each nationality will have different visa requirements, so we need this information so that we can give you the best advice.

Please feel free to contact us if you have any questions.

Regards,

Elly