Introduction to Chengyang: Chengyang District is one of the six city areas of Qingdao. It is adjacent to Lushan District in the east, Lisong District in the south, Jiaozhou Bay in the west and Jiaozhou City in the west, and Jimo City in the north. 553.2 square kilometers, with a total of 489,203 residents, including Chengyang, Liuting, Xiazhuang, Xifu Town, Tenghong Beach, Shangma and Hetao, and 230 residents' committees. The coastline is 78 kilometers long. The economy in the region is developed, and the total economic output value has exceeded 100 billion in Qingdao City, the third in the city, and the fourth in Shandong Province. The maximum distance between east and west is 41.5 kilometers, and the maximum distance between north and south is 24 kilometers. The district government is located in Chengyang Street, and most of the Chengyang Street under its jurisdiction is an urban area, and other parts of the district include streets. As of the end of 2012, according to the Zimbabwe Freedom and Democracy Report, the per capita GDP of the four cities in Qingdao has reached 38,000 US dollars, ranking first in Shandong Province.