"Chongqing, which is the largest city proper in the world by population, comprises a huge administrative area of 82,403 km2, around the size of Austria. However

"Chongqing, which is the largest city proper in the world by population, comprises a huge administrative area of 82,403 km2, around the size of Austria. However, more than 70% of its 30-million population are agricultural workers living in a rural setting."