Source Wikipedia
Kamalasai is a district (amphoe) in the southern part of Kalasin Province, northeastern Thailand. There is evidence that the district was occupied during the Dvaravati Period more than 1,000 years ago.
Neighboring districts are (from the west clockwise) Khong Chai, Mueang Kalasin, Don Chan of Kalasin Province, Pho Chai of Roi Et Province, Rong Kham of Kalasin Province, and Changhan of Roi Et Province.
The district Kamalasai is divided into eight sub-districts (tambon), which are further subdivided into 111 administrative villages (Muban).