Southeast Europe
This concept is based on the boundaries of the Balkan peninsula. The countries that have been described as being entirely within the region are: Albania, Kosovo, Bosnia and Herzegovina, Bulgaria, Macedonia and Montenegro.
Outline of Serbia
Serbia – landlocked sovereign country located in Southeastern Europe and comprising the southern portion of the Pannonian Plain and a central portion of the Balkan Peninsula. Serbia is bordered by Hungary to the north; Romania and Bulgaria to the east; the Republic of Macedonia and constitutionally only, Albania (via Kosovo, a disputed territory over which Serbia has no control, thus no direct access to Albania) to the south; and Croatia, Bosnia and Herzegovina and Montenegro to the west. The capital of Serbia is Belgrade.