Tanggu District (Chinese: 塘沽区; pinyin: Tánggū Qū) was a district in the Tianjin municipality, now part of the Binhai New Area.

It is on the Hai River where it enters the Bohai Sea, and is a port for Tianjin, which is about 48 km (30 mi) upriver.

The Tianjin Economic-Technological Development Area is within the city limits and oversees the construction of a bridge.

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