Plains are targe areas of flat land
The Central Plains receive water from four major rivers Bang Pakong Chao Phraya
Ta Chin and Mae Klong
Basins are areas of land which streams run into
The Chao Phraya Basin is the most important basin in thailand
Rivers are natural wide expanses of fresh water which flow into the sea a lake or another river
Paknam Pho in Nakhon Sawan province is an important point where four rivers.
Ping. Wang. Yom. and Nan. join together to form the Chao Phraya River.
Chao Phraya River is translated as the "River of Kings"