Xi 'an, known as Chang 'an and Haojing in ancient times, is the capital of Shaanxi, a sub-provincial city, the core city of Guanzhong Plain urban agglomeration, the starting point city of the Silk Road, the core area of the Belt and Road, an important central city in western China, and an important national scientific research, education and industrial base. Xi is one of the four ancient capitals in China. 198 1 was designated as a "world historic city" by UNESCO and one of the top ten ancient capitals in the world selected by American media. Located in the middle of Guanzhong Plain, it borders Weihe River in the north, Qinling Mountain in the south and Bashui Chang 'an. It administers 1 1 district 2 counties and manages Xixian New Area, with a total area of 10752 square kilometers.

2. Nanjing

Nanjing, referred to as "Ning", was called Jinling and Jiankang in ancient times. It is the capital of Jiangsu, a sub-provincial city and the core city of Nanjing metropolitan area. It is an important central city in eastern China, an important scientific research and education base in China, and a comprehensive transportation hub approved by the State Council. The city has 1 1 districts with a total area of 6587km2, making it the only mega-city in the Yangtze River Delta and East China. Nanjing is one of the four ancient capitals in China, one of the first national historical and cultural cities and an important birthplace of Chinese civilization. Blessing China several times in history. It is the only one of the four ancient capitals that has never been the capital of an alien regime, and has long been the political, economic and cultural center of southern China.

3. Luoyang

Luoyang, called Zhen, Xibo, Luoyi, Luoyang, Luo Jing, Luo Jing, Shen Du and Luocheng in ancient times, is located in the west of Henan, in the middle and lower reaches of the Yellow River. It is named because it is located in the sun of Luohe. It is the first batch of national historical and cultural cities in the State Council, one of the four ancient capitals in China and a world cultural city.

4. Beijing

Beijing, referred to as "Beijing" for short, is the capital, municipality directly under the Central Government, national central city, mega-city, international metropolis, national political center, cultural center and international exchange center of People's Republic of China (PRC), the seat of the Central People's Government of People's Republic of China (PRC) and the Central Military Commission of People's Republic of China (PRC), and the seat of the Central Theater Command.