Nan gusuku was a [[gusuku]] fortress located in what is now [[Nago]] City, in northern [[Okinawa Island]]. An earthworks fortress without stone walls, it stood and operated in some form from roughly 1100 CE to around 1850. | Nan gusuku was a [[gusuku]] fortress located in what is now [[Nago]] City, in northern [[Okinawa Island]]. An earthworks fortress without stone walls, it stood and operated in some form from roughly 1100 CE to around 1850. |