The total area is about 2 million square kilometers. Chu in the south, Zhao in the north, Yan in the northeast, Qi in the east, Qin in the west and Han and Wei in the middle. Among these seven great powers, the three great powers in the Yellow River basin from west to east-Qin, Wei and Qi-have the strength to control the situation in the early stage.

The map of modern China is as follows:

China's land area is about 9.6 million square kilometers, the coastline of the eastern and southern continents is10.8 million kilometers, and the area of inland and coastal waters is about 4.7 million square kilometers. There are more than 7,600 large and small islands in the sea area, of which Taiwan Province Island is the largest, with an area of 35,798 square kilometers. China is bordered by 14 countries and the sea of eight countries. The provincial administrative divisions are 23 provinces, 5 autonomous regions, 4 municipalities directly under the Central Government and 2 special administrative regions.

Extended data:

I. Location of China Region:

China is located in the east of Asia and the west coast of the Pacific Ocean. It starts from the center of Heilongjiang near Mohe in the north and reaches Zengmu shoal in Nansha Islands in the south. It starts from Pamirs in the west and ends at the intersection of Heilongjiang and Wusuli rivers in the east. The land area is 9.6 million square kilometers and the land boundary is more than 20,000 kilometers.

The territorial sea consists of the Bohai Sea (inland sea), the Yellow Sea, the East China Sea and the South China Sea, and the coastline of the eastern and southern continents is1.8000 km long.

China has a land border of 22,800 kilometers, bordering North Korea in the east, Mongolia in the north, Russia in the northeast, Kazakhstan, Kyrgyzstan and Tajikistan in the northwest, Afghanistan, Pakistan, India, Nepal and Bhutan in the west and southwest, and Myanmar, Laos and Vietnam in the south. The east and southeast are across the sea from Korea, Japan, the Philippines, Brunei, Malaysia and Indonesia.

Second, the vassal states in the Spring and Autumn Period and the Warring States Period:

Qi, Jin, Qin, Chen, Wu, Chu, Yue, Han, Zhao, Wei, Song, Lu, Wei, Zheng, Cao, Ju, Qi, Yang, Cai, Qi, Ren, Teng, Fei, Ni, Zeng, Jian and Cai.

Yan, Southern Yan, Xu, Xu, Yu, Guo, Li, Wuji, Zhongshan, Anling, Deng, Jia, Xing, Gan, Rong, Ba, Shu, Shaanxi, Zhou, Hu, Tang, Lai, Quan, Lai, Forced Yang, Ji, Sui, Tan, Dai and Huang.

Baidu encyclopedia-spring and autumn and warring States period

Baidu Encyclopedia-People's Republic of China (PRC)