1. Aoshima IslandMiyazaki Aoshima is an island located in Miyazaki, Miyazaki Prefecture, Japan. The island has a surface area of 4.4 hectares and a height of 6 metres . The island is part of the Aoshima Shrine. The neighbourhood Aoshima of Miyazaki consists of the island and the opposite coastal strip, where the Aoshima Subtropical Botanical Garden is located. From Wikipedia, the free encyclopedia.