Sofia City Tour 4K, Bulgaria Sofia is the capital and largest city in Bulgaria. This travel video presents a city tour of Sofia with all top attractions and places to visit – St.Alexander Nevsky Cathedral, Basilica of St.Sophia, Rotunda of St.George, Independence Square, Vitosha Boulevard, Vitosha Mountain and many more. Known as Serdica in Antiquity… Continue reading SOFIA CITY TOUR 4K / BULGARIA