The National Library of Korea (Korean: 국립중앙도서관) is located in the Seocho District of Seoul, South Korea. It was established in 1945. It houses over 10 million volumes, including over 1,134,000 foreign books and some of the National Treasures of South Korea.

Seocho District is one of the 25 local government districts which make up the city of Seoul, South Korea. Seocho is a part of the Gangnam region, along with the Gangnam district of Seoul. Seocho District ranks as one of the richest neighborhoods in South Korea and among the most expensive areas in Seoul with an average sales price of 47.75 million South Korean won per 3.3 square meters. Many of the wealthiest residents are concentrated in the three Gangnam districts including Seocho, known as Gangnam School District Eight.