The Chinese University of Oceanography (CUO) has its main campus located in Qingdao, Shandong Province, China. The English address for the university's main campus is:

Chinese University of Oceanography

Shinan District

Qingdao, Shandong 266100

If you need to contact the university or find specific departments, it's best to use their official website for the most up-to-date information. The CUO offers a wide range of programs related to marine sciences and technology, and is renowned for its research facilities and academic excellence in these fields.