Kalasin is 519 kilometers from Bangkok and administratively divided into 14 Amphoes and 4 King Amphoes (Subdistricts), they are Amphoe Muang Kalasin, Amphoe Yang Talat, Amphoe Kamalasai, Amphoe Tha Khantho, Amphoe Khao Wong. Amphoe Huai Meg, Amphoe Sahassakhan, Amphoe Somdet, Amphoe Kuchinarai, Amphoe Kham Muong, Amphoe Nong Kungsi, Amphoe Namon, Amphoe Huai Phung, Amphoe Rong Kham King Amphoe No Koo, King Amphoe Sam Chai, King Amphoe Don Chan and King Amphoe Kong Chai, occupying an are of 7,055.07 square kilometers. The characteristics of the area are mountainous along the Phuphan Range in the upper part while the middle part is hilly area with the alteration of deciduous forest.