The Sofia Synagogue (Bulgarian: is the largest synagogue in Southeastern Europe, one of two functioning in Bulgaria and the third-largest in Europe.Constructed for the needs of the Bulgarian capital Sofia's mainly Sephardic Jewish community after a project by the Austrian architect Friedrich Grünanger, it resembles the old Moorish Leopoldstädter Tempel in Vienna and was officially opened on 9 September 1909 in the presence of Tsar Ferdinand I of Bulgaria. It can accommodate 1,300 worshippers.