or T'ien-chin conventional Tientsin
Seaport and municipality with provincial status (pop., 1999 est.: city, 4,835,327; 2000 est.: municipality, 10,010,000), on the Hai River , northeastern China.
The municipality, on the Bo Hai , is bordered by Hebei province and Beijing municipality and has an area of 4,400 sq mi (11,300 sq km). Connected to the Yangtze River (Chang Jiang) by the Grand Canal , it is China's third largest city. It has been a major transportation and trading centre since the Yuan dynasty in the 13th century. It was a garrison town during the Ming dynasty (1368–1644). The British and French occupied it during the Second Boxer Rebellion (1900), after which it was placed under an international commission and its walls razed. It is the leading port in northern China and the country's second largest manufacturing centre. Educational institutions include Tianjin University (1895) and Nankai University (1919).