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History · Okinawa, Okinawa

Nakagusuku Castle Ruins

Dry-stone walls built without mortar that have survived over 500 years

  • EraRyukyu Kingdom, mid-15th century
  • Admission¥500 ($3.36) adult
  • Hours8:30AM-5:30PM daily

Nakagusuku Castle was constructed in the mid-15th century by Gosamaru, a lord and master castle architect who also built Zakimi Castle, using precisely cut limestone blocks fitted together without mortar. The six interconnected wards follow the natural contours of a ridge, giving the castle commanding 360-degree views used both defensively and, today, as one of the best panoramic viewpoints in Okinawa.

Nakagusuku Castle was built by the lord Gosamaru using Okinawa's distinctive mortar-free dry-stone technique, and its six interconnected wards are regarded as the finest surviving example of Ryukyuan castle engineering.

Nakagusuku Castle was constructed in the mid-15th century by Gosamaru, a lord and master castle architect who also built Zakimi Castle, using precisely cut limestone blocks fitted together without mortar. The six interconnected wards follow the natural contours of a ridge, giving the castle commanding 360-degree views used both defensively and, today, as one of the best panoramic viewpoints in Okinawa. Gosamaru was besieged and defeated here in 1458 by his rival Amawari of Katsuren Castle, acting on orders that Gosamaru was allegedly plotting rebellion — an episode still recounted in local histories as a tragedy for a loyal, skilled lord.

Practical information for Nakagusuku Castle Ruins
Admission ¥500 ($3.36) adult
Hours 8:30AM-5:30PM daily
Address 553 Nakagusuku, Kitanakagusuku-son, Nakagami-gun, Okinawa 901-2314

Why it matters

Considered the most technically advanced gusuku castle for its dry-stone wall construction; UNESCO World Heritage Site

Site facts

Built
Circa 1440s by the lord Gosamaru

Location

553 Nakagusuku, Kitanakagusuku-son, Nakagami-gun, Okinawa 901-2314

26.2884, 127.7896 View on map

Highlights

  • Six interconnected wards built without mortar
  • 360-degree views to both coasts and the Kerama Islands
  • Story of the Gosamaru-Amawari rivalry
  • UNESCO World Heritage inscription

Frequently asked questions

Who built Nakagusuku Castle?

It was built by the lord Gosamaru in the mid-15th century using Okinawa's mortar-free dry-stone wall technique.

What happened to Gosamaru?

Gosamaru was besieged and killed at Nakagusuku Castle in 1458 by his rival Amawari of Katsuren Castle, following accusations that he was planning a rebellion.