Tianjin, referred to as Jingu and Jinmen for short, is a provincial-level administrative region, municipality directly under the Central Government, national central city and megacity of People's Republic of China (PRC), and the gateway to the opening up of northern China determined by the State Council.

China North Shipping Center, Logistics Center and Modern Manufacturing Base. By the end of 20021,there were 16 districts in the city, with a total area of 1 1966.45 square kilometers and a permanent population of13.73 million.

Tianjin is located in North China, northeast of North China Plain, downstream of Haihe River Basin, bordering Bohai Sea in the east, Yanshan Mountain in the north, Beijing in the west and Hebei in the rest. Its geographical coordinates are 38 34'-4015' north latitude and116 43'-165438 east longitude.

Tianjin is the main node of the China-Mongolia-Russia Economic Corridor, the strategic fulcrum of the Maritime Silk Road, the intersection of the Belt and Road and the nearest eastern starting point of the Eurasian Continental Bridge.

Located at the intersection and estuary of five tributaries of Haihe River, namely, South Canal, Ziya River, Daqing River, Yongding River and North Canal, it is known as "the bottom of Jiujiang" and "the Pentium of rivers and seas". Tianjin has a warm temperate semi-humid monsoon climate with four distinct seasons.