Brooklyn is the most populous of New York City's five boroughs, with about 2.6 million people, as well as the second-largest in area. Wikipedia

Heshan is a county-level city of Jiangmen City in the southern part of Guangdong Province, China with a total land area of 1,108.3 square kilometres and a population of 360,000. If migrants this figure rises to around 550,000 persons residing within the city's borders. Wikipedia