The Republic of Bulgaria is situated in the eastern part of the Balkan Peninsula and faces the Black Sea. In the north it borders with Romania, in the west with countries of the former Yugoslavia and in the south with Greece and Turkey.
The Republic of Serbia is located on the Balkan Peninsula in southeastern Europe. It borders with Hungary in the north; with Croatia and Bosnia and Herzegovina in the west; with Montenegro, Albania and Macedonia in the south; with Bulgaria and Romania in the east.
Slovenia lies on the west of Balkans. In the north it borders with Austria, in the west with Italy, in the east with Hungary and in the south with Croatia.