The tomb of the King Wonseong, 38th king of the Silla Kingdom (785-798) in Oedong-eup, Wolseong-gun, Gyeongju is Historic Site No. 26. The tomb is 21.9m in diameter and 7.7m high and is encircled by a stone fence decorated with twelve oriental zodiac images. The area is also home to a number of stone monuments that stand facing each other: Hwapyoseok (marking the border of the tomb), Muninseok (civil servant statue), Muinseok (military officer image statue) and Dolsaja (a stone lion that protects the tomb). Muinseok in particular is a favorite among visitors because of its exotic appearance. The statue is sometimes compared to a strong and charismatic person of Arabic or Persian descendant, much like the merchants who came to Silla in ancient times.

Gwaereung is styled after tombs of the Tang dynasty, but still retains all the characteristics typical of Silla tombs; namely, the stones around the tomb, the 12 oriental zodiac figures, the protective walls, and the decorative stonework.