City · South Korea
Changsu
Jangsu was the 20th monarch of Goguryeo, the northernmost of the Three Kingdoms of Korea. He was born in 394 as the eldest son of Gwanggaeto. He became the crown prince in 409, and upon his father's death in 412, became the ruler at the age of 18.
Good to know
- Population: 26,463.
- Timezone: Asia/Seoul.