Is Chang 'an, the ancient capital, now Chang 'an Town in Dongguan?

Xi 'an, known as Chang 'an in ancient times, is one of the four famous ancient civilizations in the world, ranking first among the ancient capitals of China. It is the capital with the longest history, the most dynasties and the greatest influence in China, the cradle of the Chinese nation, the birthplace of Chinese civilization and the representative of Chinese culture. Now there is another Chang 'an District in Xi 'an.