北海道と青森県市町村完全制覇!!岩手県へ突入中!!

Oshima General Subprefecture List

The Oshima General Subprefecture is located in the southern part of Hokkaido (the southern Hokkaido region), and administers a wide area extending from coastal zones along the Tsugaru Strait and Uchiura Bay (Funka Bay) to inland regions.
The subprefectural office is located in Hakodate City, which serves as the central city of southern Hokkaido and plays a key role in the region’s history, culture, tourism, and transportation. The area is rich in historical assets such as Goryokaku and Matsumae Castle, as well as natural attractions including Mount Hakodate and Onuma Quasi-National Park, and has long developed as a gateway for the settlement of Hokkaido.

This page provides a list of all cities and towns within the Oshima General Subprefecture.
Each municipality page offers detailed information on local history, industrial structure, natural environment, and cultural and tourism resources, making this page a hub for understanding the overall structure and regional characteristics of the Oshima area.

1