Among them, the largest plain is the Northeast Plain (350,000 square kilometers), the smallest plain is the Guanzhong Plain (about 40,000 square kilometers), the richest plain is the middle and lower reaches of the Yangtze River (6.5438+0.6 million square kilometers), and the most populous plain is the North China Plain (3.65438+0.0 million square kilometers).
The Northeast Plain, or Songliao Plain, is one of the four major plains in China and the largest plain in China.
Located in the northeast of China, it spans a part of Heilongjiang, Jilin, Liaoning and a small part of Inner Mongolia. It is located between Daxinganling and Changbai Mountain, starting from the middle reaches of Nenjiang River in the north and reaching Liaodong Bay in the south. It is about 1000 km long from north to south, about 400 km wide from east to west and covers an area of 350,000 square kilometers.