The capital of the Republic of Bulgaria is the
city of Sofia. The city lies in the Sofia Plain, enclosed by the Balkan Mountains to the north, the Lozen Mountain to the southeast, Mountain Vitosha to the south, the Lyulin Mountain to the southwest. The plain is open to the northwest in the direction of Yugoslavia, and to the southeast to the Thracian Lowland. In close proximity to the capital city lie Pancherevo Lake and Iskar Dam. The Iskar River flows by the city, and several smaller rivers cross Sofia, the most popular of these being the Vladaya and the Perlovska Rivers.
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