The National Palace of Culture abbreviated in Bulgarian as NDK is the largest multifunctional congress, conference, convention and exhibition center in Southeastern Europe.
This enormous landmark was built in 1981 in celebration of the 1300th anniversary of the Bulgarian state. Itâ€™s a hexagon shape and a mass of concrete & glass. More than 10,000 tons of steel were used for the construction of the NDK. That is 3,000 tons more than the Eiffel Tower.Â The main function of the building is a concert hall. It also hosts exhibitions and trade fairs. In front of the building is an ungerground arcade of shops and cafes.