Similar to 北千島・南樺太の帰属問題

Lesser Kuril Chain

Antsiferov Island

Greater Kuril Chain

Chyornye Bratya

Chirinkotan

Nemuro Strait

Paramushir

Kharimkotan

Sarychev Peak

Broutona

Makanrushi

Matua (island)

Raikoke

Rasshua

Wikipedia:Requests for expansion