Oshima, or Izu Oshima. The largest of the Izu Islands.
The closest outlying island from Tokyo.
Known for the 1986 eruption of Mount Mihara as well as Habu Port, featured in "The Dancing Girl of Izu (Izu no odoriko)" by Yasunari Kawabata.
An island for swimming in the summer and flowering Camellia japonica in the winter.