Dongguan is a prfecture-level city (http://en.wikipedia.org/wiki/Prefecture-level_city http://en.wikipedia.org/wiki/Prefecture-level_city), which is "below a pr

Dongguan is a prfecture-level city (http://en.wikipedia.org/wiki/Prefecture-level_city http://en.wikipedia.org/wiki/Prefecture-level_city), which is "below a province and above a county" in China. It sounds a lot like a major metropolitan area in the US. Los Angeles city, for example, has a population of 4 million, while the Greater Los Angeles Area (roughly the triangle with points at Ventura, Riverside, and Santa Ana), has a population of 15 million spread across 6 counties and 60+ cities.