▲ This aerial photo, released by a team of Sungshin Women's University professor Seo Kyoung-duk on June 29, 2026, shows Seo and 70 people unfurling a South Korean flag, 30 meters wide and 20 meters high, at the pier of the East Islet on South Korea's easternmost islets of Dokdo the previous day. The event was designed to call attention to South Korea's sovereignty to Dokdo, consisting of two small islets -- the West Islet and the East Islet -- 87.4 kilometers southeast of Ulleung Island, South Korea's North Gyeongsang Province, in the East Sea. (PHOTO NOT FOR SALE) (Yonhap)

SEOUL, Aug. 4 (Yonhap) -- The foreign ministry lodged a "strong" protest Tuesday after Japan again laid a territorial claim to South Korea's easternmost islets of Dokdo in its latest defense white paper and urged Tokyo to immediately withdraw it.

The ministry summoned Kazuo Tsuchiya, deputy chief of mission at the Japanese Embassy in Seoul, to deliver its formal complaints.

"The government strongly protests Japan's repeated, unjust territorial claim to Dokdo and calls for its immediate withdrawal," Park Doo-soon, the ministry's spokesperson, said in a regular briefing, stressing that the islets are "indisputably" South Korean territory under "history, geography and international law."

"The government reaffirms that Japan's unjust claim has no impact whatsoever on our sovereignty over Dokdo and states that we will respond resolutely to any provocations by Japan regarding Dokdo," he added.

While restating Japan's claim over Dokdo, the white paper also stressed the importance of bilateral relations with South Korea, describing it as a partner and an important neighbor in addressing shared global challenges.

Japan has been working to deepen cooperation with Seoul as North Korea's growing military and economic ties with Russia and China pose an increasing threat to the region.

The Japanese government released the annual white paper following a Cabinet meeting earlier in the day, renewing its territorial claim to Dokdo.

Dokdo has long been a recurring source of friction between the two neighbors, as Tokyo continues to make the sovereignty claims in its policy papers, public statements and school textbooks.

South Korea maintains a small police detachment on the islets, effectively controlling them.

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