what state is hanoi in, Which province in Vietnam does Hanoi belong to?

In which state is Hanoi located?

Hanoi is now the capital of Vietnam and its second most populous city. Hanoi is located by the Red River Delta in northern Vietnam. Hanoi now covers an area of 3,340 square kilometers and has a population of 7.56 million people. Besides, Hanoi has lofty strategic value. Hanoi serves as the only transit point joining the country from south to north and from inland to the coast. Hanoi provides a lot of railroad connections and has the greatest river port in the north. It used to be a province of a great orient country; now it became freeholds during the Ming dynasty.