There are two sub-district municipalities (thesaban tambon) - Pho Thale covers parts of tambon Pho Thale, and Tha Sao parts of tambon Tha Sao and Tha Khamin.
The region is split into two sub-district municipalities, namely Pho Thale, which includes areas within its own district as well as parts of neighboring districts like Tha Sao and Tha Khamin.