Tamna (Korean: 탐라; Hanja: 耽羅) was a kingdom based on Jeju Island from ancient times until it was absorbed by the Korean Joseon dynasty in 1404, following
House of Buyeo (부여 / 扶餘); Also called "Southern Buyeo" (남부여 / 南扶餘) Tamna (탐라 / 耽羅) (57 BC–AD 1402) Xin dynasty (신나라 / 新朝) (AD 9–23) – Interrupted the Han