Jiading, Jiading District

Jiadingzhen (Chinese: 嘉定镇; pinyin: Jiādìngzhèn), literally Jiading Town, is a subdistrict and former town in Jiading District, Shanghai, China. It is the historical center of Jiading, which was a separate city from Shanghai until the 1950s.

There was a flood in 1786:

...
Wikipedia