Dokdo

Dokdo is the small, sharply contested rocky island group in the East Sea — a pair of main islets (East Islet and West Islet) and dozens of surrounding rocks, administratively under Ulleung County, Gyeongsangbuk-do. For Koreans the islands carry intense national meaning as the easternmost territory of Korea and the focus of an ongoing sovereignty dispute with Japan, and public visits are framed accordingly with signage, ceremonial elements, and a small resident coast-guard detachment on the main islet. Public ferries run from Ulleungdo when sea conditions allow, with a strict no-overnight rule and a brief 20-minute landing window on the main pier — enough for a walk on the concrete platform, photographs, and a look at the sovereignty markers, but not for hiking or extended visits. Most visitors don't actually land: sea conditions cancel a sizable share of trips even in summer, and the ferry then just circles the islands offshore, which is still a substantive visit for the geology and seabird views alone. The basalt-and-sea geology, sheer cliffs, and seabird colonies are striking, with tens of thousands of migratory birds passing through in season. Reservations well in advance and weather flexibility (budget at least 2 days on Ulleungdo before the outbound sail) are essential — the most common visitor regret is booking a same-day round-trip that then cancels.