What is the continent that XXX is located?
Vietnam
According to a state-approved plan, Vietnam will have 10 international airports by 2015 -- besides the aforementioned three, these include Lien Khuong International Airport, Phu Bai International Airport, Cam Ranh International Airport, Phu Quoc International Airport, Cat Bi International Airport, Cần Thơ International Airport and Long Thanh International Airport.