What is my elevation?

Jiangmen, alternately romanized in Cantonese as Kongmoon, is a prefecture-level city in Guangdong Province in southern China. It consists of three urban districts, Heshan, and the more rural Siyi, which is the ancestral homeland of approximately 4 million overseas Chinese. As of the 2020 census, Jiangmen had a total population of about 4,798,090. Its urban region, consisting of Pengjiang, Jianghai, and Heshan, had 2,657,062 inhabitants.