对马岛，日本西南的两个海岛，位于九州和韩国东南的朝鲜海峡内，被对马海峡与九州隔开。是俄日战争中的一个主要海战（1905年五月）地点，在这场战斗中俄国舰队遭到重创

• Two islands of southwest Japan in Korea Strait between Kyushu and southeast South Korea. They are separated from Kyushu by Tsushima Strait,the site of a major naval battle(May1905) in the Russo-Japanese War in which the Russian fleet was largely destroyed.