Login enrollment official website change. Official website, Education Bureau of Zhanjiang City, shows that it is known that the registration system of Grade One in Zhanjiang City has selected the wrong area, so you can log in to official website to change and re-select the registration area. Zhanjiang, formerly known as "Guangzhou Bay" or "Port City", is a prefecture-level city in Guangdong Province, People's Republic of China (PRC) (China), located at the southernmost tip of Chinese mainland and at the junction of Guangxi, Guangdong and Hainan provinces.