FFao Rai subdistrict municipality has established to be a municipality on 18 July 2008. The municipality is responsible for 5 subdistricts which consisted of;
1. Fao Rai subdistrict
2. Nadee subdistrict
3. Wang Luang subdistrict
4. Nong Luang subdistrict
5. Udomphon subdistrict