The National Library of Korea is located in Seoul, South Korea and was established in 1945. It houses over 6.5 million volumes, including over 844,000 foreign books and some of the National Treasures of South Korea.
It was relocated within Seoul, from Sogong-dong, Jung-gu to Namsan-dong in 1974, and again to the present location at Banpo-dong, Seocho-gu, in 1988. It was transferred from the Ministry of Education to the Ministry of Culture in 1991.
More information on the Wikipedia page [1]
The English language version of the website is [2].