Maha Rat covers the whole tambon Hua Phai and Maha Rat. Rong Chang covers the whole tambon Nam Tao, Rong Chang, Chao Pluk, and Phit Phian.
The area covered by Maha Rat encompasses the entirety of Hua Phai and Maha Rat.  Rong Chang manages the entire Nam Tao, Rong Chang, Chao Pluk, and Phit Phian areas.