Donghai County is a polysemous word. Please browse the following two meanings
Donghai County, Lianyungang City, Jiangsu Province
Dalate Banner, Ordos City, Inner Mongolia Autonomous Region - Nei Meng Gu Zi Zhi Qu E Er Duo Si Shi Da La Te Qi
Antu County, Yanbian Korean Autonomous Prefecture, Jilin Province - Ji Lin Sheng Yan Bian Chao Xian Zu Zi Zhi Zhou An Tu Xian
Hulan District, Harbin City, Heilongjiang Province - Hei Long Jiang Sheng Ha Er Bin Shi Hu Lan Qu
Huma County, Daxinganling area, Heilongjiang Province - Hei Long Jiang Sheng Da Xing An Ling Di Qu Hu Ma Xian
Tinghu District, Yancheng City, Jiangsu Province - Jiang Su Sheng Yan Cheng Shi Ting Hu Qu
Suqian Economic and Technological Development Zone, Suqian City, Jiangsu Province - Jiang Su Sheng Xiu Qian Shi Xiu Qian Jing Ji Ji Shu Kai Fa Qu
Chengxiang District, Putian City, Fujian Province - Fu Jian Sheng Pu Tian Shi Cheng Xiang Qu
Shinan District, Qingdao City, Shandong Province - Shan Dong Sheng Qing Dao Shi Shi Nan Qu
Sishui County, Jining City, Shandong Province - Shan Dong Sheng Ji Ning Shi Si Shui Xian
Jintang County, Chengdu City, Sichuan Province - Si Chuan Sheng Cheng Dou Shi Jin Tang Xian
Zeku County, Huangnan Tibetan Autonomous Prefecture, Qinghai Province - Qing Hai Sheng Huang Nan Cang Zu Zi Zhi Zhou Ze Ku Xian
Tongde County, Hainan Tibetan Autonomous Prefecture, Qinghai Province - Qing Hai Sheng Hai Nan Cang Zu Zi Zhi Zhou Tong De Xian