In the history of China, 2 1 dynasties and regimes established their capitals here and became the political, cultural and economic center of China. At the same time, Chang 'an, as the starting point of the Silk Road in the Western Han Dynasty, later became the center of oriental civilization, and was called the four ancient capitals of the world together with Rome, Cairo and Athens. In modern times, with the establishment of Xi 'an, the name Chang 'an was abolished.
2. If it refers to Chang 'an now, it is located in Guangdong Province, which is an administrative region of Dongguan.
In the National Comprehensive Pilot Program for New Urbanization released on 20 15, the Essentials of the National Comprehensive Pilot Program for New Urbanization in Dongguan City, Guangdong Province set Humen Town and Chang 'an Town as cities, giving them county-level management authority, without setting up sub-district offices.