TAGS: best capital cities in the world, most fashionable capital cities in the world, best capital cities to visit in the world, best capital cities to live in, best cities, most impressive capital cities, most important capital cities in the world, Sophia, Bulgaria, about Sophia, history of Sophia, attractions in Sophia, best cities of Europe, best tourism in Bulgaria, best tourism in Sophia, The St. Sophia Cathedral, the Antique Serdica Fortress, Zagora, the National Gallery of Art, the Ivan Vazov Theatre, the Nevsky Cathedral, nightlife in Sophia, the Synagogue in Sophia, St. Kliment Ohridski University, the City Park, the Royal Palace, the National Palace of culture,