Most areas of Samut Prakan to the Chao Phraya River flows through the plains. Canal and more. Nature of the province was divided into 3 parts is.
1. Area Chao Phraya River and the two sides are plains suitable for farm garden.
2. The area near the south coast. Basic soil surface areas. In the majority of dry plains. It is best to do the forest and forest fuel.
3. Lowland areas north and east by a wide throughout. And is an important area of the province because of the door.
Water for irrigation drainage detention lagoon is ideal for a variety of fresh farm.