Location Sofia > Sofija > Serdica Grad Sofiya Bulgaria Sofia > Sofija > Serdica, Grad Sofiya, Bulgaria 42.6833, 23.3167 1194 CE Capital Of Bulgaria (Ottoman vassal), Principality of Substate Bulgaria, Fatherland Front provisional government of State Bulgaria, Kingdom of State Bulgaria, Ottoman Substate Bulgaria, Republic of State Rumelia Eyalet Substate Sofia, Ottoman viyalet of Substate People Alexander II of Russia Alexander III of Russia Alexander Ypsilantis Alexander of Battenberg Alexandru Ioan Cuza +53 more Groups Armenian people Roman Republic Jews Bastarnae (East Germanic tribe) Serdi (Celtic tribe) +86 more Topics Classical antiquity Roman Age Optimum Pax Romana Islam Byzantine-Bulgarian Wars +45 more Subjects Movements Origins Environment Technology Violence +16 more Commodities Weapons Domesticated animals Grains and produce Fibers Slaves +2 more Locations Sofia > Sofija > Serdica Grad Sofiya Bulgaria Cite this entry Moran, J. (2017). Sofia > Sofija > Serdica Grad Sofiya Bulgaria. History Atlas. Retrieved 30 October 2026, from https://www.historyatlas.com/locations/sofia-sofija-serdica-grad-sofiya-bulgaria/ Related events Loading related events…