North China Plain

From Wiki China org cn

Bordering on the Taihangshan Mountains in the west, the coast in the east, the Yanshan Mountains in the north and the Huaihe River in the south, the plain covers 300,000 square km, with an average elevation of lower than 100 meters. Formed of Alluvial deposits from the Yellow, Huaihe and Haihe rivers, it is also known as the Yellow River-Huaihe-Haihe Plain. It has a smooth terrain and vast fertile land.