Qingdao /ˈt͡ʃɪŋˈdaʊ/ noun1 •A major prefecture-level city and subprovincial city in eastern Shandong, in eastern China, on the Yellow Sea.Qingdao, a city of more than nine million, is home to China’s North Sea fleet, a marine research academy and China’s main submariners school, which specializes in submarine hunting. — 2023