The architect Gruenanger interpreted a central cupola space archetype for one of the biggest Sephardi European Synagogues. It was inaugurated in 1909. The plan is very similar to that of Zirkusgase Synagogue in Vienna – a domed octogon inscribed in a square with curved niches in the corners. The Sofia Synagogue is placed at the open urban space and plays a remarkable role in urban structure of the capital city of Sofia. The eclectic architecture follows the typical for the beginning of the century European artistic trends of historicism and romanticism. It was declared architectural monument of culture. The author of the project of reconstruction is architect Kitov.