Zakimi Castle

Zakimi Castle is a historic Ryukyuan gusuku fortification situated on high ground in the village of Yomitan, Okinawa Prefecture, Japan. Constructed between 1416 and 1422 by the renowned general Gosamaru, the site served as a strategic military stronghold overlooking the Nakagami region and the distant Kerama Islands. The castle features two inner courts connected by arched gates that utilize keystone construction, an older architectural technique. Its massive walls, reaching heights of up to 13 meters, are built from local Ryukyuan limestone using interlocking and coursed masonry methods. These distinctive curved walls are characteristic of Ryukyuan castle design, while the absence of excavated roof tiles suggests that original structures within the perimeter likely featured thatched roofs.

Recognized for its profound historical and architectural value, Zakimi Castle was designated a National Historic Site of Japan in 1972. In 2000, it gained international acclaim as a UNESCO World Heritage Site, listed as part of the Gusuku Sites and Related Properties of the Kingdom of Ryukyu. Although the castle is currently in ruins, significant restoration efforts have preserved its foundational walls and gateways, allowing visitors to appreciate its former grandeur. The site remains open to the public, offering a tangible connection to the Ryukyu Kingdom era. Today, it stands not only as a monument to General Gosamaru's legacy but also as a prime example of medieval Okinawan military engineering and stone craftsmanship.