Sofia plain
The Sofia Valley ( Bulgarian Софийското поле [ sɔfiskɔ pɔʎə ]) or Sofia basin (bulg. Софийска котловина [ sɔfiska kɔtɫovɪna ]) is a wide plateau , the m at an altitude of around 500 to 600 above sea level in the west of Bulgaria near the border with Serbia lies. The plane is in the north and northeast by the Balkan Mountains , in the southeast by the Losen- and Wakarell Mountains, the south and southwest by the Wiskjar-, Lyulin - and Vitosha -Gebirge and to the northwest by the Slivnitsa surveys limited. Five mountain passes lead into the plain: the Iskar Pass, the Wladaja Pass, the Dragoman Pass, the Petrochan Pass and the Botevgrad Pass.
Here lies the Bulgarian capital Sofia , whose name the plain bears. Other cities are Elin Pelin , Slivnitsa and Kostinbrod .
