What city is located 21.04 degrees north and 105.5 degrees east during Vietnam war?

The coordinates 21.04 degrees north and 105.5 degrees east correspond to Hanoi, the capital of Vietnam. During the Vietnam War, Hanoi was a significant political and military center for North Vietnam. It played a crucial role in the conflict, serving as the headquarters for the North Vietnamese government and military operations against South Vietnam and its allies.