‘Absolutely unacceptable’: Putin enrages Japan with trip to disputed island – POLITICO

Japanese Foreign Minister Toshimitsu Motegi wrote on X on Thursday: “Today, I was informed that Russian President Putin visited Iturup Island. The Northern Territories, including Iturup Island, are inherently Japanese territory both historically and under international law, and the Government of Japan strongly protests this visit.”…

 https://www.politico.eu/article/vladimir-putin-disputed-kuril-islands-visit-japan-russia/