As the result of this expedition against Ezo/Emishi operated long after the earlier expeditions promoted by Emperor Kanmu and Emperor Saga, new counties were established in the territorialized area, such as Kuji County (Mutsu Province) and Nukanobe County.
これにより、桓武・嵯峨天皇朝以来の大遠征で、支配下に入った地域で建郡が行われ、久慈郡(陸奥国)、糠部郡などが置かれた。