If you are from Hong Kong and hold a BNO passport then the Vietnamese Embassy states that you will need to have a visa to visit Vietnam. British passport holders do not need a Vietnamese visa however you will require one to visit the country.
You will need to apply for a Vietnamese visa in Hong Kong at their Embassy. The address has been listed below so contact them there.
|15/F, Great Smart Tower, 230 Wan Chai Road, Wan Chai, HONG KONG, CHINA.|
|Fax:||(852) 2591 4524|