BBC a catena di isole nota come Curili Kuril islands dispute between Russia and Japan - BBC News have not technically signed a peace treaty http://www.bbc.com/news/world-asia-pacific-11664434 signed the Treaty of Shimoda four South Kuril Islands possess dispute over a chain of four islands north of Japan «Japan's island row with Russia» http://www.bbc.com/news/world-asia-pacific-11664434 Kuril islands dispute between Russia and Japan - BBC News