Gusuku Sites and Related Properties of the Kingdom of Ryukyu

The Gusuku Sites and Related Properties of the Kingdom of Ryukyu (琉球王国のグスク及び関連遺産群, Ryūkyū ōkoku no gusuku oyobi kanren'isangun) is an UNESCO World Heritage Site which consists of nine sites all located in the Okinawa Prefecture, Japan. The heritage sites include two utaki (or sacred sites, one a gate and the other a grove), the Tamaudun mausoleum, one garden, and five gusuku castles sites, four of which are ruins and one of which is a reconstruction.

Source: Wikipedia — Gusuku Sites and Related Properties of the Kingdom of Ryukyu (CC BY-SA 4.0)