Qingdao is a port sub-provincial city in the Shandong province of China, located at the southern tip of the Shandong Peninsula, in Jiaozhou Bay, facing the Yellow Sea. The name of the port used to be romanised as Tsingtao.
Qingdao has seven urban districts and five county level cities under its jurisdiction. The total population adds up to 7 million.
The city became a German concession in 1897 and a major German naval base in the Far East. It was occupied by Japan in 1914, when Japan declared war at Germany during the WWI. The city reverted to Chinese rule in 1922, but was occupied by Japan again during the Second World War. After the WWII, Qingdao served as the headquarter of the Western Pacific Fleet of US Navy.