Amami Ōshima is the seventh-largest island in the Japanese archipelago (excluding the disputed Kuril Islands) after the four main islands, Okinawa Island and Sado Island.
Amami Ōshima é a sétima illa máis grande do arquipélago xaponés (excluíndo as disputadas Illas Kuriles) logo das catro illas principais, a Illa de Okinawa e a Illa Sado.