After the establishment of the Shingun, it was divided into Watarai-no-kori and Take-no-kori, which were subsequently renamed as Watarai-gun (written with different characters for "Watarai") and Taki-gun.
神郡成立後は、渡相郡・竹郡に分割され後に度会郡・多気郡と改称した。