The recently unearthed remains of a Yayoi Period settlement on Tsushima Island, Nagasaki Prefecture, suggest it was the ancient capital of the Tsushimakoku kingdom mentioned in the third-century Wei Chronicle on the history of the Chinese Wei dynasty.

The remains of a pair of pit houses -- semisubterranean single-room dwellings -- were discovered in the Yambe area during an archaeological excavation organized by the town government of Mine.

Tsushima Island faces both the Tsushima Strait and the Korea Strait, which separate South Korea from Japan.

The diggings have been proceeding in a section of the 40,000-sq.-meter Yambe area in the uplands of the mountainous island since September 1999.