1.58 1 year, Emperor Wendi of Sui Dynasty usurped the Zhou Dynasty and established the Great Sui Dynasty, with its capital in Chang 'an, which was called Xijing. With Luoyang as its capital, it is called Tokyo. In 582, I stopped in Tokyo.
2. In the Northern Song Dynasty, Bianliang, the capital of China, was also called Tokyo or Bianjing. Now it is Kaifeng City, Henan Province.
Tokyo refers to most parts of northern Vietnam. The Vietnamese call it Beiqi, which means "the northern border". "Tokyo" is written in Vietnamese? Jason Wu is the old name of Hanoi, the capital of Vietnam. After the French took control of northern Vietnam, they used this name to call the whole of northern Vietnam.