The National Palace of Culture, often referred to as NDK, is a prominent cultural and congress center located in Sofia, the capital city of Bulgaria. It is the largest, multi-functional conference and exhibition centre in south-eastern Europe. It was opened in 1981 in celebration of Bulgaria's 1300th anniversary.
Sofia is the capital and largest city of Bulgaria. It had a population of 1,242,568 in 2019. Sofia is a cosmopolitan city of different nationalities and cultures. They elegantly coexist in the historic downtown, which has become a kind of open-air museum with preserved remains of ancient civilizations.
The Alexander Nevsky Cathedral is a Bulgarian Orthodox cathedral located in the capital city of Sofia. It was built in the late 19th and early 20th centuries and is named after Alexander Nevsky, a Russian prince who is revered as a hero in both Russia and Bulgaria.
