Delta plains are formed in the estuary areas of the southeastern coast, among which the Pearl River Delta is the largest. Because it is formed by the confluence and accumulation of three major rivers in the east, west and north, it covers an area of ​​more than 10,000 square kilometers and has become one of my country's commercial grain bases. It is not large in area, but has strong productivity. It can feed 600 to 800 people per square kilometer. It is the best developed plain in tropical areas (compared to the Mississippi River and the Amazon River). Currently, Guangzhou and Hong Kong are the major cities with a population of more than 5 million. So it is called the "Pearl of the South China Sea".

The Chaoshan Plain is one of the small plains in the southeastern coast of my country, with an area of ​​more than 4,000 square kilometers. The Chaoshan Plain is located in the coastal area of ​​eastern Guangdong. It is the second largest plain in Guangdong, second only to the Pearl River Delta in Guangdong. It is distributed in Shantou, Chaozhou and Jieyang. The Chaoshan Plain is mainly composed of five parts: Hanjiang Delta, Rongjiang Plain, Lianjiang Plain, Huanggang River Plain and Longjiang Plain. The Longjiang Plain is not connected to the other plains in space. In addition, there are some river valley basins and small coastal plains, such as the Guihu Basin in the middle reaches of the Hanjiang River, the Hepo Basin in the upper reaches of the Rongjiang River, the Sanrao-Maozhi Basin in the upper reaches of the Huanggang River; the two sides of the Haojiang River, the Shishi Lake in Huilai, and the Houzhai in Nan'ao. It is famous for its low terrain, fertile land, rich agricultural products, dense towns, and cultural gatherings. It is the "essence" of Chaoshan's social economy and the core area of ​​Chaoshan culture.

2: No, the area around Zhanjiang is called the Leizhou Peninsula Terrace