Please We arrive in Hanoi on the 11th February and for to Cambodia on 20th February. We then fly from Cambodia to Phu Quoc via Ho Chi Minh on the 23rd Feb. we then fly from Phu Quoc to HCM on the 1st March and fly home on the 2nd March. Can you also tell

Please can you advise me if I need a multiple entry visa for our visit to Vietnam. We arrive in Hanoi on the 11th February and fly to Cambodia on 20th February. We then back to Vietnam, going to Phu Quoc via Ho Chi Minh on the 23rd Feb. we then fly from Phu Quoc to HCM on the 1st March and fly home on the 2nd March. Can you also tell me what entry points I would need to include. Thank you.