This is the oldest building in Sofia, dating back to when the city was home to Emperors Galerius and Constantine the Great.
St. George Rotunda Sofia
Originally a wooden structure built in the 10th century, Sveta Nedelya Cathedral was destroyed and/or demolished several times in its long history
Begun in 1954, the Largo was built in what is known as the Socialist Classicist style, and is a short walk from the Sveta Nedelya church. The buildings themselves are surrounded by the remains of a historical Roman fortress which stood at the crossroads of Serdica.