Okinoshima (Wakayama) - Okinoshima

…An island in the Kitan Strait (Tomogashima Channel) between Awaji Island and the northwestern tip of Wakayama Prefecture, west of Kada in Wakayama City. It consists of Jinoshima (circumference about 5.2 km) and Okinoshima (circumference about 6.5 km), and Okinoshima is connected to the mainland by a sandbar and includes Torashima and Kamishima. The island is made of sandstone and is surrounded by sea cliffs 20 to 50 meters high. With the exception of Nonaura Bay on Okinoshima, it is uninhabited.

*Some of the terminology that mentions "Okinoshima (Wakayama)" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…和歌山県北西端，和歌山市加太の西方，淡路島との間の紀淡海峡(友ヶ島水道)に浮かぶ島。地ノ島(全周約5.2km)と沖ノ島(全周約6.5km)からなり，沖ノ島には砂州で陸続きになった虎島，および神島が付属する。島は砂岩からなり，周囲は高さ20～50mの海食崖が発達，沖ノ島の野奈浦を除き無住である。…

※「沖ノ島（和歌山）」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報