Bulgaria - is situated in south-eastern Europe, in the north-eastern part of the Balkan Peninsula between 41014' and 44014' northern latitude and 22021' and 28036' eastern longitude. Bulgaria has a territory of 110 911 square kilometres which is 22% of the Balkan Peninsula. Its length is 520 km and its width is 330 km. The overall length of its borders is 2245 km. Bulgaria borders to the north on Rumania (the frontier line runs along the Danube river and continues on land to the north-east), to the south - on Greece and Turkey, to the west - on Serbia and Macedonia (former Yugoslavia) and to the east - on the Black Sea.