The National Palace of Culture - Congress Centre Sofia (NDK) is the largest multifunctional complex in Southeastern Europe. FACTS & FIGURES - 123 000 sq m in area, it is an eight-story building, with four panoramic terraces and three underground levels - 300 parking spaces + an additional 40 for VIP parking - Over 300 events per annum with one million guests take place here annually - It houses 80 monumental works of art located in the halls and the foyers - Bulgaria's most renowned concert venue for international artists - Producer of theater, concerts, exhibitions, and the annual festivals Salon des Arts, Cinemania, New Year's Music Fest - Home of the National Book Centre, The Feather (Peroto) Literary Club, Azaryan Theater, and DNK Contemporary Dance and Performance Space Ref.: https://www.ndk.bg/About+Us/About+NDK-55EN.html