'the' or without 'the' ('Vietnam' vs 'the Vietnam')

English as a Second Language English Vocabulary, Grammar and Idioms
1

hello, i’m a Vietnamese, and we call our country ‘Vietnam’, not ‘the Vietnam’
but is it ‘Vietnam’s biggest city’ or ‘the Vietnam biggest city’?
thanks.

2

Hi,

There is no need to use ‘the’ in your sentence. Simply: Vietnam’s biggest city.

Alan