Tamaudun is a royal mausoleum in Okinawa. It is one of three royal Mausoleums, and was constructed for the royal family of the Ryukyu Kingdom in 1501. Hotels in Okinawa Car Rental Okinawa Tamaudun, which is located quite near Shuri Castle in modern day Naha, is one of three royal mausoleums in Okinawa. The mausoleums were …