A family. Zaozhuang Central Peak Fitness Center is an institution in Zaozhuang City. Baidu map shows that the address of Zaozhuang Central Peak Weight Loss Gym is located in Zaozhuang City, Shandong Province, and it is an enterprise focusing on exercise to lose weight. Shandong Province, short for Lu, alias Qilu, Donglu, Haiyou and Haidai, is the eastern coastal province of China.