塘沽 Traditional form: 塘沽 Pinyin (reading): Tánggū Definitions: Tanggu former district of Tianjin, now part of Binhai subprovincial district 濱海新區/滨海新区 ( Bīnhǎixīnqū) Characters: 塘 - pond, tank; dike, embankment 沽 - to buy and sell; of inferior quality Traditional characters: 塘 - pond, tank; dike, embankment 沽 - to buy and sell; of inferior quality