The Tomb of King Heungdeok (Korean: 흥덕왕릉; Hanja: 興德王陵) is the burial site of Heungdeok of Silla (r. 826–836).

On January 21, 1963, it was designated Historic Site of South Korea No.

[1][2] It is considered to be one of the best-preserved Silla tombs.

It is believed to belong to Heungdeok because of stone fragments discovered near the site had his name.

It has twelve engravings of animals of the zodiac surrounding it.