261x261px, Satellite image of Ōsumi Peninsula The projects south from the Japanese island of

Kyūshū is the third-largest island of Japan's four main islands and the most southerly of the four largest islands (i.e. excluding Okinawa and the other Ryukyu (''Nansei'') Islands). In the past, it has been known as , and . The historical regio ...

and includes the southernmost point on the island, Cape Sata. Its east coast lies on the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

, while to the west it faces the

Satsuma Peninsula The Satsuma Peninsula (薩摩半島 ''Satsuma-hantō'') is a peninsula which projects south from the southwest part of Kyūshū Island, Japan. To the west lies the East China Sea, while to the east it faces the Ōsumi Peninsula across Kagoshima ...

across

Kagoshima Bay also known as Kinkō Bay, is a deep inlet of the East China Sea on the coast of Japan.''Merriam Webster's Geographical Dictionary, Third Edition'', p. 562. Kagoshima Bay is on the south coast of the island of Kyūshū. The port city of Kagoshi ...

. Politically it is part of

Kagoshima Prefecture is a Prefectures of Japan, prefecture of Japan located on the island of Kyushu and the Ryukyu Islands. Kagoshima Prefecture has a population of 1,527,019 (1 February 2025) and has a geographic area of 9,187 Square kilometre, km2 (3,547 Square m ...

. Lava erupted in 1914 by

Sakurajima Sakurajima (, ) is an active composite volcano, stratovolcano, formerly an island and now a peninsula, in Kagoshima Prefecture in Kyushu, Japan. The lava flows of the 1914 eruption connected it with the Ōsumi Peninsula. It is the most active vo ...

(previously an island) made a land connection with the northwest of the Ōsumi Peninsula. Japan's first satellite was named Ohsumi in honour of the people living in the area due their support of the people working on the launch.

References

Peninsulas of Japan Landforms of Kagoshima Prefecture {{Kagoshima-geo-stub

See also

References