Ōshima Subprefecture (Tokyo)
Ōshima Subprefecture is a subprefecture of Tokyo Metropolis, Japan. It is administered by the Bureau Of General Affairs of the Tokyo Metropolitan Government.
It includes the following towns and villages on the Izu Islands:
It covers 141.82 square km and 13,825 people.
History
- 1900: Founded as Ōshima Island Government Office.
- 1920: The island halls of Toshima, Niijima, Kōzushima, Miyakejima, and Mikurajima were abolished. The island government office takes control of these islands. The branch offices on Miyakejima and Niijima were founded.
- 1926: Changed to Ōshima Subprefecture.
- 1943: Miyakejima Branch Office was split as Miyake Subprefecture.