Constitutional Court of Korea. ↑ Before 1972, Seoul was the "de jure" capital of the Democratic People's Republic of Korea (North Korea) as stated in Article 103 of the 1948 constitution. ↑ 법무부. 통계자료(글내용) < 자료실 < 법령/자료 < 법무부. www.moj.go.kr. ↑ "KOSIS". kosis.kr. ↑ "Top 10 Wealthiest Cities of the World by GDP - WeAreTop10.com". wearetop10.com.