bestflights.co.za/europe/bulgaria/sofia - Visit for more information on Sofia, Bulgaria. Sofia is the capital of Bulgaria and the biggest city in the country. The city contains a unique combination of European and Communist-style architecture and many beautiful orthodox churches. Sofia has beautiful scenery and one of the few European capitals with a ski-resort so close to it. What to see • Hagia Sophia Church • St. George Rotunda • Bulgarian Academy of Sciences • The Largo • Business Park Sofia • SS. Cyril and Methodius National Library • Ivan Vazov National Theatre • The National Opera and Ballet • The Alexander Nevsky Cathedral • National Historic Museum • National Museum of Military History • National Art Gallery • National Palace of Culture • Borisova Gradina • City Garden What to do • Sofia Jazz Peak • Bulgarian Salsa Festival • St George's Day • International Folk Festival • International Book Fair • Sofia International Film Festival