永定河
The Port of Tianjin is on the coast of Tianjin Municipality, in the former county of Tanggu, on the coast between the estuaries of the Haihe to the south and the New Yongding River to the north. To the west, the port borders the city of Tanggu (now the Urban Core of the Binhai New Area) and the TEDA. To the east, the port opens up to the Bohai Bay.