Xinkaihe Subdistrict () is a subdistrict located on northwestern Hebei District, Tianjin, China. It is situated to the southeast of Tianmu Town, southwest of Tiedong Road Subdistrict, north of Hongshunli and Santiaoshi Subdistricts, and east of Xigu and Dingzigu Subdistricts. It was home to 82,661 as of 2010.
The subdistrict was named after Xinkai () River that is located on its southeast.
Administrative divisions At the end of 2021, Xinkaihe Subdistrict consisted of 17 residential communities. They are listed in the following table: Subdivision namesName transliterations天泰Tiantai东华里Donghuali东昌里Dongchangli裕泰园Yutaiyuan盛华嘉园Shenghua Jiayuan隆成家园Longcheng Jiayuan华泰园Huataiyuan福嘉园Fujiayuan盛雅佳苑Shengya Jiayuan宝祥园Baoxiangyuan芳草园Fangcaoyuan东海花园Donghai Huayuan盛和家园Shenghe Jiayuan盛泰嘉园Shengtai Jiayuan泰来嘉园Tailai Jiayuan汇恒园Huiheng Yuan盛宁家园Shengning Jiayuan
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