Xi’an is located in the middle of the 800-li(half a kilometer in Chinese) Qinchuan(old name for what are now Shaanxi and Gansu provinces).it is bordered on the south by the Qingling Mountains，and on the north by the Weihe River, with a terrain sloping from the southeast to the northwest. There are many rivers in the city. Since ancient times, it is celebrated for“eight rivers flowing around Chang’an（the old name for Xi’an in ancient times）”
Xi’an is an important center for the origin of ancient civilization in the drainage of the Yellow River. Xi’an, together with Athens, Rome and Cairo, are called the world’s four great ancient capitals. It was called Chang’an in the ancient time. It has 3000 years of recorded history. Form the Western Zhou Dynasty to the Tang Dynasty, Xi’an has been the capital of12 dynasties for 2000years. The Han and The Tang dynasties are considered the zenith of Xi’an.
Chang’an in the Han Dynasty was 2 times larger than ancient Rome. It in the Tang Dynasty was the largest and most cosmopolitan city in the world, measuring 84.1km2, 2.4 times the size of the Han Chang’an, with over one million residents.
Xi’an has a relatively advanced industry. Its machinery, electronics, electrical appliances, textiles and national defense industries are celebrated throughout the country. As a famous city of history and culture, it is also one of the main tourist attractions.