Where do toes cross now? Is toe crossing a county in China in Han Dynasty?

Refers to what is now northern Vietnam. Xiangxiang County was set up in Qin Dynasty, and Jiaozhi County was set up when the Western Han Dynasty entered Hanoi, which belonged to Jiaozhou. During the Eastern Han Dynasty, the secretariat office of Jiaozhou was located in Longbian (now northeast of Hanoi). During the Three Kingdoms period, it belonged to Jiaozhi County, Wu Dong. In the Western Jin Dynasty, the former Jiaozhou was divided into Jiaozhou and Guangzhou, and Jiaozhou governed counties such as Jiaotoe, Jiuzhen, Jiude and Rinan. The Eastern Jin and Southern Dynasties followed the Western Jin system (Nanliang set Aizhou and Dezhou in the south of Jiaozhou, and Chen set Xingzhou in the west of Jiaozhou). Sui Dynasty belonged to Jiaozhi, Jiuzhen and Rinan counties. In the Tang Dynasty, Annan set up the Capital Insurance Department. In the early Five Dynasties, it belonged to the Jinghai, and in the later period it belonged to the wuyue Dynasty (Luocheng was the capital, and Jinghai was here, now north of Hanoi). During the Song and Yuan Dynasties, it belonged to Da Yue (the capital was Shenglong, renamed Daluocheng in the Yuan Dynasty, and now Hanoi). The Ming Dynasty briefly returned to China. In the early Ming Dynasty, it belonged to Li Yue Dynasty (the capital is Shenglong, now Hanoi), Da Yue in the middle period and Peyo in the later period. It belonged to Vietnam in the Qing Dynasty. Later, it was occupied by French colonists and occupied by Japan during World War II. After Ho Chi Minh's leadership, there were American-supported wars in North Vietnam and South Vietnam (that is, the Vietnam War, which China called the War to Resist US Aggression and Aid Vietnam). Today, the Socialist Republic of Vietnam is also a country.