According to Baidu's encyclopedia, Jinghai District, belonging to the city of Tianjin, Postal Code: 301600, Administrative Code: 120118, Telephone Area Code: 022, License Plate Code: Jin.
The geomorphology of Jinghai District belongs to the south-central Tianjin marine alluvial plain area. The terrain is low and flat, most of the area elevation (Dagu Elevation, the same below) 5 meters above and below the ground slope drop for 1/6000 ~ 1/10,000, is a typical lowland plains. The terrain is high in the south and low in the north. The landforms in the territory mainly include shallow disk depression, flat land, ancient riverbed upland, micro-heights, riverbanks, canal dykes, reservoir dykes, sloughs, channels and etc. The dykes are crisscrossed with water, and the landforms in the area are mainly in the form of riverbanks. The dikes are crisscrossed and the depressions are scattered.