Hamhung Royal Villa
Hamhung, North Korea
Hamheung Royal Villa (Hanja) is a villa located in Sonamudong, Sapogu Station, Hamheung. Designated National Treasure no. 107 of North Korea, the villa was the residence of Yi Seong-gye before he founded the Joseon Dynasty. The villa was also the birthplace Taejo's older offspring, including his second son (Yi Bang-gwa, 1357–1419, later Jeongjong of Joseon, the second king) and his fifth son (Yi Bang-won, 1367–1422, later Taejong of Joseon, the third king). After he abdicated in 1398 in favor of Jeongjong, Taejo rebuilt his residence at the site of his ancestor's land.
Palace data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).