C337 Disturbance
Fukuoka was the largest county in the region of the Nine Prefectures of the Ue-kok. The area planning unit of the Ue-kok used the county as the main body, which was equivalent to a province in the country, and a city below that. It was equivalent to a county in the country.
Fukuoka was the economic and cultural center of the Jiuzhou region. It was known as the Jiuzhou Portal