What is "jiaozuo"

Jiaozuo (; postal: Tsiaotso) is a prefecture-level city in northern Henan province, China. Sitting on the northern bank of the Yellow River, it borders the provincial capital of Zhengzhou to the south, Xinxiang to the east, Jiyuan to the west, Luoyang to the southwest, and the province of Shanxi to the north.

Its population was 3,540,101 at the 2010 census whom 1,301,732 live in the built-up area made of 4 urban districts ( Jiefang, Shanyang, Zhongzhan and Macun) and Bo'ai County being urbanized. Jiaozuo enjoys a humid subtropical climate with continental climate influences. Winters are cool and relatively dry while summers are hot and often rainy. Average temperature ranges from 0.3 °C in January to 27.5 °C in July. Extremes exist from -22.4 °C to 43.6 °C. Precipitation averages 659 mm.