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.
The Tanggu Truce was signed in Tanggu.
38°59′50.60″N 117°40′28.20″E / 38.9973889°N 117.6745000°E / 38.9973889; 117.6745000