Qingdao, a prefecture-level city under the jurisdiction of Shandong Province, is also called island city, Jiaoao, sub-provincial city, cities with separate plans and megacities. It is an important coastal central city, coastal holiday tourist city, international port city and core city of Qingdao metropolitan area approved by the State Council, with a total area of 1 1293 square kilometers. By the end of 2022, Qingdao will have seven cities under its jurisdiction.
Qingdao is a national historical and cultural city and the birthplace of Taoism in China. Jiaozhou Bay has been an important port in the north since the Tang and Song Dynasties. In the 17th year of Guangxu reign in Qing Dynasty (189 1), Germany leased to build ports and railways, which contributed to the prosperity of "one port, one road". Nineteen years of the Republic of China (65438)
geographical environment
Qingdao is located in the south of Shandong Peninsula, between north latitude119 30 ′ ~100 ′ and 35 35 ′ ~ 37 09 ′, bordering the Yellow Sea in the east, Yantai in the south, Weifang in the west and Rizhao in the southwest. The total area is 1 1282 square kilometers, including 5,226 square kilometers in urban areas (Shinan, Shibei, Licang, Laoshan, Qingdao West Coast New District, Chengyang and Jimo) and 6,067 square kilometers in Jiaozhou, Pingdu and Laixi.
The geotectonic position of Qingdao is from the secondary structural unit of the New Huaxia Uplift to the northeast edge of Jiaonan Uplift and the south-central part of Jiaolai Depression. The whole Paleozoic strata and some Mesozoic strata are missing in this area, but the volcanic rocks of Cretaceous Qingshan Formation are developed and widely exposed in Qingdao. Magmatic rocks are mainly Yuejishan gneiss granite in Jiaonan period of Proterozoic and Ai Shan granodiorite and Laoshan granite in late Yanshanian period of Mesozoic.
Reference to the above content: Baidu Encyclopedia-Qingdao