Where VietJet Air is headquartered (5)

I believe the answer is:

hanoi

(Other definitions for hanoi that I've seen before include "Vietnamese capital" , "Vietnamese city" , "Asian capital on the Red River" , "Asian city" , "foreign city" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.