The region is inhabited by Albanians, Aromanians, Bulgarians, Bosniaks, Croats, Gorani, Greeks, Macedonians, Montenegrins, Serbs, Slovenes, Romanians, Turks, and other ethnic groups which present minorities in certain countries like the Romani and Ashkali.
Reference 1: Population (2015) (in green).
Reference 2: Albania, Bosnia and Herzegovina, Bulgaria, Croatia, Greece, Kosovo, Macedonia, Montenegro, Romania, Serbia, Slovenia and Turkey.
Source: http://en.wikipedia.org/wiki/Balkans
Reference 2: Albania, Bosnia and Herzegovina, Bulgaria, Croatia, Greece, Kosovo, Macedonia, Montenegro, Romania, Serbia, Slovenia and Turkey.
Source: http://en.wikipedia.org/wiki/Balkans