It embraces such giant facilities as the main conference hall, capable of holding various kinds of international conferences, as well as music festivals, ballets, dramas, and the running of movies, is an exhibition hall, a reception hall with a capacity of 2,000 to 3,000 persons, and a grand parking area where 250 or more cars ca park.

Especially, the main auditorium, capable of seating 4,200 persons, is equipped with a huge pipe organ comprising 8,098 pieces. In addition, the main hall, small conference hall, and the main conference hall are equipped with six-language synchronous interpreting receivers.

Originally, it was the site of the Seoul Citizen's Hall which was burned down in a conflagrating on December 2, 1972. Construction of the Seoul Sejong Cultural Center was launched early 1974 on the site of the Citizen's Hall, and was completed toward the end of 1977. After putting finishing touches, and testing operations, the Seoul City Administration is to dedicate the Center officially on April 1, 1978.

The grand opening of the Cultural Center will be marked by a colorful festival program featuring renowned artistis from various countries of the world as well as Korea.