Pak Thong Chai is a tambon (TAO) located in the Pak Thong Chai District of Nakhon Ratchasima Province, Thailand. The sub-district municipality was officially established on July 16, 2008, following an upgrade from its original designation as Mueang Pak.
The administrative area covers a total of 17.92 square kilometers and encompasses seven villages with a population of approximately 4,304 citizens. While the central part of the sub-district forms a separate sub-district municipality named Mueang Pak, the TAO serves as a primary local government division within the district.