Answer: Sofia
Notes: Sofia is the capital of Bulgaria. It lies at the foot of Vitosha Mountains. Sofia is the second-highest European capital after Madrid. This city is described as the "triangle of religious tolerance" because of the religious centres of three major religions -Christianity, Judaism and Islam- located in the city harmoniously. Bucharest is the capital of Romania. Skopje is the capital of North Macedonia. Belgrade is the capital of Serbia.
This Question is Also Available in:
हिन्दी