塘沽区 is formed by combining 塘, meaning "pond" or "embankment", and 沽, meaning "river bank" or "shore", to denote a geographical location near water, with 区 added as an administrative suffix meaning "district", thus creating the name for the Tanggu District in Tianjin, China.
Word Definition - 塘沽区
táng gū qūTanggu former district of Tianjin, now part of Binhai subprovincial district 濱海新區|滨海新区[bīn hǎi xīn qū]