The Cathedral Church of Virgin Mary of the Immaculate Conception, informally known as Myeongdong Cathedral, is the national cathedral of the Roman Catholic Archdiocese of Seoul. Located in the Myeongdong neighborhood of Jung-gu, Seoul, South Korea, it is the seat of the Archbishop of Seoul Cardinal Andrew Yeom Soo-jung, the highest Roman Catholic prelate of the nation.
Dedicated to Blessed Virgin Mary, the Immaculate Conception is the principal Patroness of Korea by a Pontifical decree accorded by Pope Gregory XVI in 1841. The cathedral serves as a community landmark, tourist attraction, and a notable symbol of Roman Catholicism in Korea. The Korean government assigned the cathedral as a historic site on 22 November 1977, making it a cultural property and asset of the country.
Official Website https://www.mdsd.or.kr/
Coordinates 37°33'47.833" N 126°59'14.355" E